Math, asked by kolpo, 1 year ago

in triangle abc a b equal to AC angle A equal to 5 x + 20 degree and Angle B equal is equal to two fifth of angle A .Find the measure of angle A.

Answers

Answered by iit163

2

Answer:

-15

Step-by-step explanation:

5x +20= 2/5 ×(5x+20).

5x+20=2×4x+5

x=-15

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