Question

In the adjoining figure,if b°= a° + c°,find 'b'.

Answer 1

Answer:

by given a+b+c=180 .......angle of line

so 2b=180,b=90

Answer 2

Answer:

b = 90°

Step-by-step explanation:

given,

b= a+c

a+b+c = 180°

b= 180°-a-b or 180° - (a+c)

b=180° - b (a+c=b)

2b=180°

b=90°

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