Question

help me find the value of b​

Answer 1

Answer:

b is 42.5°

Step-by-step explanation:

ATQ, 5a +3a = 180

a= 180/8

a=22.5

Also, 70+3a+b=180

70+67.5 + b = 180

b=42.5°

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Answer 2

Answer:

b is 40°

Step-by-step explanation:

3a =70°{alternate angles}

5a=110°

b=40°