Question

In a quadilateral ABCD,angle A =150 angle B =angle C = angle D find angle A B C D​

Answer 1

Step-by-step explanation:

let B,C,D=x

A+B+C+D=360°

150°+x+x+x=360°

150°+3x=360°

3x=360°-150

3x=210

x=210÷3

x=70°