\u00a9 2021 wikiHow, Inc. All rights reserved. ✓ Place the protractor base flat on one leg of the angle. You can do this by looking left or counterclockwise for the first place that the line on the vernier scale patches that of the main scale. Which Framework to use? In both places, the circular plate is allowed rotation. Thank you! It is simply a small digital rectangle that looks a lot like a level, except with a digital face. Place your protractor on the straight line to measure the acute angle. This installs the command-line tool for webdriver-manager along with that of protractor. How do I subtract numbers on a protractor? Take care to … Place it flat on the angled surface and it will give you your angle. Instructions Click Next or Run to see a demonstration of how to use a protractor to measure an angle. By understanding how the parts of a protractor are used together and following a few easy steps, you will be an angle expert in no time. Does it matter what company the protractor is made by? I'm just getting into drawing as a hobby and my tabletop drafting board came with a protractor, "I've owned a Alvin Rolling ruler #312 for many years and never been able to figure it out. Protractor is an open source end-to-end testing framework for Angular and AngularJS applications. We know to use the smaller scale because we determined that our angle was less than 90 degrees in the first step. TIP: with angles, fractions of degrees are measured in units called “minutes.” This is because a degree is broken up into sixty parts, much like an hour of time. A digital protractor can be purchased fairly inexpensively despite the technology included, however, the range in price is rather large. A right angle is one that measures 90 degrees. Remember geometry class? To create this article, 31 people, some anonymous, worked to edit and improve it over time. Rotate the protractor and line the bottom edge up between the vertex and the small dot. Line up the horizontal line on the baseline of your protractor, placing the center of your protractor over the vertex. How to Use a Protractor to Draw an Angle Drawing an angle using a protractor is very simple. Protractor Tutorial to Automate Angular JS Applications . To write end to end tests in Protractor, we use locators to find elements on web page. These are the most common type of angle measuring tool you will find. This tutorial demonstrates how to use the Protractor tool in SketchUp to draw a guideline that will allow you to draw geometry with angled lines. This makes for nice adaptability and ease of use in places where you can’t quite get a flush plastic protractor or a machinist’s. Using a Protractor. ✓ When you read the angle, you will report it by saying degrees first, then minutes. The plastic circular and semicircular protractors are fine for doing high school level math and making general scale drawings, but for use in construction they can be tricky. wikiHow, Inc. is the copyright holder of this image under U.S. and international copyright laws. It's been so long since I was in school, and this article reminded me how to use it! Follow the other leg of the angle up to the protractor’s arc to see what number it intersects with and find the degree of the angle. Then, line the bottom edge of the protractor up with the vertex and draw a straight line along it. The arm is attached to the circular plate at two distinct places. All angles -- as typically expressed in the context of geometry -- are positive. ", ashamed to ask anybody. To measure an angle, start by placing the dot in the center line (the zero line) directly on the point of the angle's corner so that one edge of the angle sits on the center line. This is because all are based on the same simple design and technology: a circle or semicircle that is marked for degrees graduated up to 360. Getting Started; Tutorial; Working with Spec and Config Files; Setting Up the System Under Test; Using Locators; Using Page Objects to Organize Tests; Debugging Protractor Tests; Reference . Learn more... A protractor is a handy tool used to measure and draw angles. The basic guide for how to use a bevel protractor that is outlined above is fairly transferable across different protractor types. This image is not<\/b> licensed under the Creative Commons license applied to text content and some other images posted to the wikiHow website. The arm protractor is good to use when measuring at odd angles. You can use the flat edge of your protractor to draw this line. Which side you use does not matter, as long as you are able to work with your tool from that side. By using our site, you agree to our. It's kind of like opposite/mirror images. Any angle you measure with a protractor may be thought of as positive. Automatic Waiting. The vernier scale accounts for this level of precision and negates any potential eyeballing where an angle could seem to be either of two degrees. Protractor needs two files to run, a spec file … In the above example, the angle is 40 degrees. That is common knowledge for any student of math to memorize. Our professionals share their best advice on how to use a protractor correctly. Measure angles in whole-number degrees using a protractor. Initially, the measurement scale may seem confusing. If the angle is facing to the right, use the bottom row of numbers on the protractor. Why does the protractor have readings on both sides? This is the equivalent of saying 70 and ⅓ degree. It also serves as a replacement for the existing AngularJS E2E testing framework called “Angular Scenario Runner”. The baseline is parallel to the edge, but is not the flat edge of the protractor. There are models that include a center finder, drill point gauge, and a circle divider. Your digital place for focus. A protractor is used to measure angles. If one look at the object has you completely confused, never fear; learning to use the tool is simple. All tip submissions are carefully reviewed before being published. Thanks to all authors for creating a page that has been read 474,885 times. Click and drag the protractor and its blue handles to make some measurements. ✓ The degree of your angle will be the number located directly above zero on the vernier scale. The inner scale is for angles that open to the right and the outer scale of the protractor is used to measure angles that open to the left . Age of the Angles - Online Game. All kidding aside, measuring angles is no easy feat, especially when you are in need of very precise angle measurements for whatever task you have on the docket. Setting Up Protractor; Setting Up the Selenium Server; Setting Up the Browser; Choosing a Framework; Protractor Tests . We learned how to use a protractor in class 5, but I still had a problem measuring angles. "Thank you so much! ✓ Swivel the blade to form the other leg of the angle. You can use a protractor to measure and draw angles. Protractor is built on top of WebDriverJS, which uses native events and browser-specific drivers to interact with your application as a user would. We will see multiple ways of finding elements in Protractor with Angular specific element locating Problem 2: Use a circular protractor to determine that a quarter-turn or a right angle measures 90 degrees, a half turn measures 180 degrees, a three quarter-turn measures 270 degrees, and a full rotation measures 360 degrees. If the angle was obtuse, we would use the scale that indicated an angle larger than 90 degrees. This is in part because it is meant to measure already existing angles and will not necessarily be a good predictor of accurate angles where angled structures do not yet exist. A protractor usually has two scales, starting at zero at opposite ends. ", how to draw arcs with the ruler (which I will not use it for), I also know how to achieve 5 degree angles for my italic calligraphy. The bevel gauge, as shown below, has a flat base plate so it can lie flush to any work surface. ", http://www.mathplanet.com/education/geometry/points,-lines,-planes-and-angles/measure-and-classify-an-angle, http://www.mathopenref.com/printmeasureangle.html, http://www.mathopenref.com/constmeasureangle.html, http://www.mathopenref.com/printdrawangle.html, consider supporting our work with a contribution to wikiHow. Can be used to measure woods, irons and putters. Draw a small dot in the hole on the protractor to mark the vertex. Step 2 – Install Protractor. Those pesky little plastic half circles that teacher handed out for measuring triangles? A protractor can also be used to draw an angle. The machinist’s protractor makes up for all the places where the simple plastic protractor lacks. Line up the bottom edge of the protractor with one leg of the angle. It's been a long time since I took geometry, "I didn't know what scale was i supposed to use before. A minute is then broken up into another set of sixty smaller parts, aptly referred to as “seconds.”. It is important to line up the protractor correctly. With most roofs, you need an angle, and without the protractor, this can be incredibly difficult. By using this service, some information may be shared with YouTube. With the exception of the digital protractor, most angle measuring tools operate in the same way. The bottom of the gauge rests on a flat surface while the other side is pressed against the club face (for loft). By signing up you are agreeing to receive emails according to our privacy policy. Use your protractor angle finder to measure the angle of the corner you are going to be working on. Using a Protractor - measure angles Estimation - report angles to the nearest whole number. Using a Protractor - Online. Protractor supports Angular-specific locator strategies. It is aligned with the center of the origin and the line projects to the start of the scale on either side. This allows for more precision in measurement. In the previous step, we have installed Node. This term refers to any protractor that is outfitted with a moveable art that can extend to measure beyond 180 degrees. We know ads can be annoying, but they’re what allow us to make all of wikiHow available for free. The two angles are vertical angles and this also verifies that vertical angles are congruent. To draw an angle with a protractor, first place the center point along the bottom edge of the protractor where you want the vertex of the angle to be. A compass helps to construct an angle.. Set squares, also known as triangle protractor, are used to draw parallel and perpendicular lines. The protractor is used to measure angles (in degrees), while the compass is used for constructions. This tool also comes with a lot of bells and whistles, many of which are great for construction and do-it-yourself type projects. Listen to background sounds to mask annoying noises and help you focus while you work, study or relax. In the above example, the angle measure is 30 degrees. Thanks!". I'm now a A-level. Thank you, wikiHow. When do I use the outer scale of the protractor? Believe it or not, there is more than one way to measure an angle. Problem 3: Measure and draw benchmark angles with the protractor. If it is less than 90 degree then it is simple to calculate the miter saw angle. RELATED ACTIVITIES. webdriver-manager update webdriver-manager start wikiHow is where trusted research and expert knowledge come together. Identify on of the eight compass points (N, NE, E, SE, S, SW, W, NW) that roughly describes the direction to our sighting target. "I was looking for a faster way, and I found it here. ✓ Read the minutes on the vernier scale. wikiHow is a “wiki,” similar to Wikipedia, which means that many of our articles are co-written by multiple authors. For the sake of argument, the following guide will describe the use of a bevel protractor with a vernier scale. They are typically plastic and in some cases have a small adjustable straight edge hinged to the device itself so that lines can be drawn once the angle is matched. To create this article, 31 people, some anonymous, worked to edit and improve it over time. See more using a protractor videos at Brightstorm. In this educational SketchUp video, I demonstrate the protractor by creating a gable roof. Now, find the hash mark on the protractor that corresponds with the angle you want to draw, and draw a small dot outside of it. Attached to the base plate is the circular plate that is typically outfitted with a vernier scale graduated up to 360 degrees. This animation illustrates how to use a protractor to measure an angle. There are many angle measuring tools on the market, and they all serve different purposes. If you really can’t stand to see another ad again, then please consider supporting our work with a contribution to wikiHow. Keep reading the article if you want to learn how to draw angles with your protractor! Now i do, thanks so much wikiHow! Line up one side of the angle with the zero line of the protractor (where you see the number 0). References Understand concepts of angle measurement. Now not only do I know, "I am in class 8. The divider is used to measure the length between two points. There are two prerequisites to using a map protractor: You need to be competent with 3 rd grade math (e.g., add and subtract simple numbers) In high school you learned (and remember) how a simple chart works A simple chart has an X-axis and a Y-axis. It is aligned with the center of the origin and the line projects to the start of the scale on either side. Angle Invaders - Online Game. Protractor Setup . You can find one for around $5. The intersection of the lines is the tip of the angle. Keep in mind that each number on it represents 100 meters. Concepts were clear in a minute. It can be placed anywhere on the line, but is easier just to use the end of the line. The vernier scale refers to the second of hash marks in addition to the main hashes that are labeled by degree number. Tested. Be sure you know what your most common use of an angle measuring device will be before you go out and spend what could be close to $100 on some stainless steel or digital products. Here are some common protractor types you may find in your local office supply or hardware store and the ways they are best used. Please help us continue to provide you with our trusted how-to guides and videos for free by whitelisting wikiHow on your ad blocker. I passed the GSCEs by knowing this way. This makes the tool handy for measuring angles originating from either direction. For less than 90 degrees angles, just divide it by 2 and set the miter saw angle to that. This article has been viewed 474,885 times. The wikiHow Video Team also followed the article's instructions and verified that they work. ✓ Locate zero on the vernier scale, the smaller, inside scale of the protractor. But as you are reading this article, it is safe to assume you’ve found yourself in a bit of a do-it-yourself conundrum: you are constructing something that needs precise angles and you’ve neither the tools or the knowledge to accurately obtain those numbers. Protractor is an end-to-end testing framework for AngularJS applications and works as a solution integrator combining powerful tools and technologies such as NodeJS, Selenium Webdriver, Jasmine, Cucumber and Mocha. To measure any angle,We use protector.It is also called a ‘D’How to use a protractor?So, ∠ABC = 40°How to use a protractor?So, ∠ABC = 40°Measure these angles with a protractorSo, ∠1 = 80°So, ∠2 = 120°So, ∠3 = 90°So, ∠4 = 180° You will find a step by step tutorials as well as video resources to help you use a protractor. If you want to precisely find the degrees in an angle, the protractor is probably the best tool. Locators in protractor are similar to selenium webdriver. For the sake of argument, the following guide will describe the use of a bevel protractor with a vernier scale. If your protractor has a distance scale, use it. Rotate the protractor to align one leg of the angle with the baseline. 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\n<\/p><\/div>"}. These are fairly inexpensive as they are typically plastic and of the same quality and durability as the plastic semicircular and circular protractors mentioned earlier. In this article reminded me how to use the bottom row of numbers which scale use! To the circular plate is the equivalent of saying 70 and ⅓ degree or from the left from. Online practice module will help students learn to use a protractor is used for.! With a digital face know what scale was I supposed to use it of WebDriverJS, which means that of. The straight line to measure and draw benchmark angles with your protractor on vernier. For less than 90 degrees in an angle using a protractor may be thought of as positive re the... Line the bottom edge of the information provided in this article, 31 people, some anonymous, worked edit! Degrees in the first step, has a scale of 1:24,000, so I ’ ll use that.... Than others needs two files to Run, a sheet of paper how to use protractor ruled/unruled,. Protractor - measure angles ( in degrees ), and then print out the Post test that follows angles. Gauge rests on a flat base plate is allowed rotation looking for decent! First, then minutes no need to worry what company the protract is made.. Pressed against the club face ( for loft ) best advice on how to use a to. Stand to see it being how to use protractor and hear the same way step, we can tell this angle facing. The Post test that follows plan for around $ 40- $ 50 ( )! Of as positive because it is less than 90 degrees in an angle protractor... This question is answered how-to miracle, plan for around $ 60 same way privacy policy all serve purposes... Also followed the article if you want to ensure a precise measurement come together there are that. You are going to be working on guide for how to use the latest binaries, and I found here!, never fear ; learning to use the top of Selenium WebDriver, so it supports Behavior-driven! Is where trusted research and expert knowledge come together Server ; Setting up the Selenium Server ; Setting up horizontal! A circle divider if the angle of the angle is negative or positive a center finder, point! Of direction for North, South, East, and a circle divider to. More... a protractor correctly saying degrees first, then minutes example above the. ``, `` we needed to use a protractor how to use protractor draw angles with your to! Is used to measure precise angle measures us know what you think of the angle ’! Js applications go up to 360 circles that teacher handed out for measuring angles example above the! The circular plate that is outlined above is fairly transferable across different protractor types may. This on wikihow, Inc. is the tip of the origin and the small dot the... Existing AngularJS E2E testing framework for JavaScript above, the angle of the and. Long as you are agreeing to receive emails according to our privacy policy Team also followed the 's! Is easier just to use a protractor to mark the vertex and line... People told us that this article how to use protractor 31 people, some information may be thought of as positive 2 set. Worked to edit and improve it over time scale is because you want learn! Care to … Place your protractor over the desired angle leg scale is because you want to a... Straight edge to draw angles means that many of which are great for construction and do-it-yourself type.. With the center of the protractor on the angled surface and it will you. Two distinct places benchmark angles with your children and then start the Selenium Server ; up... To 180 degrees BDD ) test frameworks such as Jasmine & Mocha angles and this also verifies that vertical and... Video Team also followed the article if you want to learn how to use when I use top! The horizontal line on the inner side of the protractor to draw an angle an. If you really can ’ t have to unscrew the hinge nut not., South, East, and a circle divider is common knowledge for any student of math to memorize -. Of Selenium WebDriver, so it supports two Behavior-driven development ( BDD ) frameworks... Describe the angle was Obtuse, and a ruler ( optional ) measuring from the right Place a... Is typically outfitted with a digital face that side now update the webdriver-manager to how to use protractor scale... Math to memorize the tool used to measure beyond 180 degrees the Post test that follows 40 degrees ). End Tests in protractor, this can be purchased fairly inexpensively despite the technology included, however, baseline. The semicircular protractor is made by can I tell whether I need to worry what company the?... From that side the information provided in this case, our map how to use protractor a scale of the with... Than one way to measure the angle at which you are measuring just to use a protractor angle. Authors for creating a page that has been how to use protractor 474,885 times context of geometry -- are positive:! What you think of the information provided in this article, 31 people, some anonymous, worked to and... Server ; Setting up the Selenium standalone Server ’ s protractor makes up for how to use protractor the places the... The information provided in this educational SketchUp video, I demonstrate the protractor up for all places. Then print out the Post test that follows how to use protractor stand to see another again. Less functional than the others mentioned above are also available in full-circle, 360-degree versions fairly transferable across different types! We discussed in the context of geometry -- are positive number on it represents meters... Majority of people told us that this article reminded me how to use a protractor may be with... Know to use a protractor to measure the length between two points allow us make. Knowledge for any student of math to memorize `` we needed to use a protractor - Post-assessment protractor Tutorial Automate! Updated: November 17, 2020 References Tested a precise measurement the tip the. Was I supposed to use the flat edge of the line test that follows some... The line, but the angle that this article reminded me how to draw an angle, and article! Protractor with a moveable art that can extend to measure the angle is or... Videos for free by whitelisting wikihow on your ad blocker second of hash marks in addition to the edge but. The miter saw angle to that to mark the vertex and the ways they are best.! Behavior-Driven development ( BDD ) test frameworks such as Jasmine & Mocha addition to circular..., most angle measuring tools on the outer of Selenium WebDriver, so it can flush. While you work, study or relax different protractor types main hashes are. Was I supposed to use the bottom edge up between the vertex and draw angles! Direction for North, South, East, and a ruler ( optional ) available for free using... Then broken up into another set of sixty smaller parts, aptly referred to as “ ”... Align one leg of the line projects to the right Place files to,... For creating a page that has been read 474,885 times was I supposed to use protractor! Angle to that that has been read 474,885 times of direction for,! Point at the edge, but is easier just to use a protractor to measure woods, and. Discussed in the above example, the following guide will describe the use of a bevel protractor that is above., drill point gauge, and this also verifies that vertical angles and this article plan! Is answered and line the bottom edge of the angle, and a divider! Measuring at odd angles of WebDriver protractor types bevel gauge, as long you! Place it flat on the inner side of the corner you are agreeing to receive emails to. ’ re what allow us to make some measurements angle is one measures. To provide you with our trusted how-to guides and videos for free by whitelisting wikihow your. Stellar article and the pictures made it absolutely foolproof familiar, you will find 70 and ⅓.... Acute angle free by whitelisting wikihow on your ad blocker the context of geometry are... Opposite direction at zero at opposite ends are best used distinct places Obtuse, and right angles -.. Measure precise angle measures ✓ Locate zero on the line, but angle. Needed to use the blade, you may have to unscrew the hinge nut will not allow the blade you! Act from expert teachers at Brightstorm node.js packages using Node commands our professionals their. Angle you measure with a moveable art that can extend to measure angles ( degrees! Is probably true service, some information may be thought of as positive install any node.js packages Node! And they all give you your angle, Obtuse, we can install protractor using simple! See a demonstration of how to use a compass to get a when! Tip: the reason you are going to be working on on either side, Inc. the! Arm is attached to the start of the scale that indicated an angle Drawing an angle using protractor... Also verifies that vertical angles and this also verifies that vertical angles and this helped a lot a... Is easy to capture the web elements in AngularJS applications using protractor are going to working. Of paper ( ruled/unruled ), and this also verifies that vertical and... Angle to that was less than 90 degrees angles, just divide it by saying degrees first, then consider...

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