How to construct an isosceles trapezoid given one base, the the diagonal, and the angle included by them.

How to construct an isosceles trapezoid given one base, the the diagonal, and the angle included by them.
Solution:
1. Draw a line for the base, as you already know its length.
2. Then Draw a line with the given included angle by placing the Angle Protector
3.Then set your compass to the length...