Math, asked by adi80, 1 year ago

in▲abc if /_a - /_b=42° and /_b-/_c=21 then /_b=?

victory1venkatesh: Is it 53 degrees

Answers

Answered by victory1venkatesh

6

Solving equations, we get a=63+c and b=21+c Sum of angles in a triangle is 180. So, 63+c+21+c+c =180 C=32.So, b = 53

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