If you don't have a computer program that will do this for you, you need paper or other material to mark on, a straight edge, a protractor, and something to make marks with (pencil, pen, scribe, etc.)nb
You can make a 30 degree angle with a straight edge and a compass (with a pen or pencil in it). You can also do it with a straight edge, pencil, and a string with the string and pencil acting as a compass.
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First draw a 90 degree angle .Than draw a 20 degree angle from that 90 degree angle . Than the rest of the angle will be 90-20=70 .Now bisect the 70 degree angle we will get 70/2=35. Now add the rest of the angle means 35+20 =55 GOT 55 DEGREE ANGLE
With the help of a protractor
Use a protractor
Use a protractor.
For a 450 degree angle, you would subtract 360 from 450, which gives you 90 degrees. Therefore, you will draw a 90 degree angle. Explanation below: There are only 360 degrees in a circle. A 450 degree angle would go around a circle once completely, then it would stop at the 90 degree angle mark.