Question

please give me answer correct​

Answer 1

Step-by-step explanation:

1/5 of striaght angle = 1/5×180 = 36

a= b+36

a+b = 180 (linear pair)

b+36+b = 180

2b+36 = 180

2b = 180-36

2b = 144

b = 144/2

b = 72

a = b+36

a = 108