How to bisect an angle with a compass?

 Bisection of an angle

The bisection of an angle is a very basic and important thing in engineering drawing and math. There are so many ways to bisect an angle, but in this post, we will discuss the method for bisecting an angle with help of a compass.

For example, we'll bisect an angle of 63 degrees with help of a compass. We can easily bisect any angle by just following the given method. 

Question: Bisect an angle of 63 degrees with help of a compass.

Solution:

Procedure: 

1. Draw an angle of 63 degrees with the help of a protractor. Name the angle as QOP.
2. Take a compass with any random radius (Make sure that the radius must be less than the length of the lines OQ and OP.) and draw two arcs from point O on the lines OQ and OP as shown in the figure.
3. From those two arcs with the same radius, draw two arcs somewhere in the middle of the angle.
4. On which point those two arcs intersect, draw a line OR as shown in the image.
5. This OR line will be the bisecting line of the angle of 63 degrees and the angle ROP will be 31.5 degrees.

And this is how we can bisect an angle with the help of a compass. I hope you understood the concept of bisecting an angle. By using a similar method you can bisect any angle.

If you have some doubts, just let me know in the comment section! Till then keep learning, and keep improving!

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