Question

ABCD is a parallelogram.A = x°, B = (3x + 20)°, find the value of x.​

Answer 1

Answer:

We know that sum of adjacent sides of a parallelogram is 180° .

So,

x°+ (3x + 20)° = 180°

4x° + 20 = 180°

4x° = (180-20)°

4x° = 160°

x= 40°

Hope this works.. if then thanks ...☺️