Question

how to make angle with compass

Answer 1

So, to construct an angle of 30º, first construct a 60ºangle and then bisect it. Often, we apply the following steps: 
Step 1: Place the point of the compass at P and draw an arc that passes through Q.
Step 2: Place the point of the compass at Q and draw an arc that cuts the arc drawn in Step 2 at R.

Answer 2

first draw a line segement and take any size of lenght in the compass and draw  semi circle in right side of you mark it as A and in the mark A with the same lenght draw a semicircle again and in the first semi circlethe insecting point is 45 degree do gain and agian to get 90%and some other