Drawing Angles With a Protractor. Report a problem. If you measure from the center of the circle to a point on the outer edge, that’s the radius. So we have this little angle tool here that we can use to construct an angle. You can set a compass at a wide setting or trace a large circular object, such as a dinner plate or the bottom of a flat frying pan. 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. Please help us continue to provide you with our trusted how-to guides and videos for free by whitelisting wikiHow on your ad blocker. Find the center point for your protractor. Then, keeping the end without the pencil stationery, rotate the compass 360 degrees so the pencil draws a perfect circle. Everything depends on your need for how you are going to take prints of these measuring tools. Make sure you use the correct set of numbers. Step 4b: Label each part of your graph. And then they give us a protractor to actually measure the angle. Easy measure angles, using interactive whiteboard angle simulator. Show Step-by-step Solutions. More advanced protractors, such as the bevel protractor, have one or two swinging arms, which can be used to help measure the angle. wikiHow's Content Management Team carefully monitors the work from our editorial staff to ensure that each article is backed by trusted research and meets our high quality standards. 6a. Place a dot at Q. wikiHow's. 5c. Draw each central angle with a protractor. The image can be easily used for any free creative project. {"smallUrl":"https:\/\/www.wikihow.com\/images\/thumb\/0\/00\/Draw-a-Circle-Step-1-Version-2.jpg\/v4-460px-Draw-a-Circle-Step-1-Version-2.jpg","bigUrl":"\/images\/thumb\/0\/00\/Draw-a-Circle-Step-1-Version-2.jpg\/aid77562-v4-728px-Draw-a-Circle-Step-1-Version-2.jpg","smallWidth":460,"smallHeight":345,"bigWidth":728,"bigHeight":546,"licensing":"