Question

In a parallelogram ABCD ,angle at A an C are respectively (x-10)0 and (3x-100)0. Find the angles of a parallelogram.

Answer 1

Answer:

so the angles are

(x - 10) + (3x - 100) = 180

4x - 90 = 180

4x = 90

x = 22.5

angle A = 12.5

angle C = (3[22.5] - 100)

= 67.5 -100

= 32.5