Question

In a quadrilateral ABCD, D is equal to 150' and A = B = C. Find A , B , C​

Answer 1

Answer:

Given: D=150 A=B=C

Step-by-step explanation:

A+B+C+D=360°

(Every quadrilateral's sum of angles is 360)

Taking A, B, C as x,

3x + 150= 360

3x=360-150

3x= 210

x=210/3

x=70°

A=B=C=70°