![]() ![]() If you need a protractor you can download and print our printable protractor. Use our angle conversion tool to convert from degrees to radians, mils, or grads. of angles in degrees to the nearest whole number using a protractor. Since most protractors have measurements in degrees it is often necessary to use a formula to convert your measurement to radians, mils, or grads. Students must be able use a protractor to figure out the approximate measures of. Make a mark on the paper as close as possible to the tick mark.įinally, complete the line by connecting the vertex and the angle mark you just added using the straight edge of the protractor or a ruler. The next step is to locate the tick mark corresponding to either the obtuse or acute angle you wish to draw. Now, align the origin of the protractor with the vertex on the line, then align the base line of the angle with the line on the bottom of the protractor. Step 3: Align the Protractor on the Vertex A protractor is a measuring tool often made of translucent plastic or glass used to read, measure, and construct angles. Next, draw the vertex of the angle at the end of the line. This is the base line or arm of the angle The first step is to draw a straight line on a sheet of paper using the straight edge. Protractors are also great for drawing accurate angles. The measurements should be incrementing in the direction you are measuring. There are two rows of tick marks on a protractor to allow measuring the degrees of angle from either the left or right. If the acute angle is on the right then the tick mark will be on the inside of the curve. If the acute angle is on the left the tick mark will be on the outside, or outer-most edge, of the protractor. With the origin of the protractor aligned over the vertex of the angle and the horizontal edge aligned with one of the lines, find the tick mark along the curve where the line meets. If a line were to meet another line forming two angles, the acute angle would be the smaller angle. ![]() Īn acute angle is the smaller angle where a line meets another, or technically any angle that is less than 90°.Īn obtuse angle is the larger angle where a line meets another, or technically any angle that is more than 90°.Ī right angle is an angle that is exactly 90°, which means that the two lines are exactly perpendicular to each other. It was built by Google on the top of WebDriver. There are three types of angles that you can find using a protractor: acute, obtuse, and right. Protractor is an open source end-to-end testing framework for Angular and AngularJS applications. ![]()
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