Question

If angle A and angle B are supplementary angles and angle A is eight times as large as angle ​B, find the measures of angle A and angle B.

Answer 1

Step-by-step explanation:

A=8B  

A+B=180

8B+B=180°

9B=180°

B=20°

so  

angle A =8×20=160°

angle B= 20°