Question

angel A and angle B are linear pair of angles. if 4 angle A = 5 angle B then find angle A and angle B.

Answer 1

A=5÷4B
A+B=180
5|4B+B=180
5B+4B/4=180
9B=720B=720÷9
=B=80,A=5|4B
A=5÷4×80
A is 100 and B is 80

Answer 2

Bonjour!!

✳ The answer is in the attachment!! ✳

Hope it helps!!
@charlie16.