Question

ABCD is a parallelogram. If angle A = (3x-20) and angle B = (x+4).Find the value of x

Answer 1

It is parallelogram so A + B = 180

so....

(3x-20)+(x+4)=180

3x-20+x+4=180

4x-16=180

4x=180+16

4x=196

x=196/4

x=49..

Please give thanks and likes to me..