Question

Determine the values of x and y for which ABCD is a parallelogram.

A) x = 140, y = 40
B) x = 60, y = 20
C) x = 20, y = 20
D) None of the above.

Answer 1

B

Explanation:

You know that in every parallelogram the opposite angles are equals and ,knowing that, you solve the problem with a system of equations