Question

In triangle ABC ,if angle B equal 76 ,C equal 48 and angle ,find angle A

Answer 1

sum of all angles 180

therefore angle a = 180 - 76 - 48

                            = 180 -124

                             =   56

Angle A 56

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Answer 2

We know that sum of all angles of a triangle is 180

Given

A + B + C =180

A + 76 + 48 = 180

A + 124 = 180

A = 180 - 124

A = 56 degree

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