Question

two angles of a triangle measure 5 x + 30 degree and 40 degree write the measure of third in terms of x.​

Answer 1

Let the angles of the ∆ be A,B,C

Let A= 5x+30°

B= 40°

A+B+C = 180°

5x+30+40+C=180°

5x + C = 110°

C= 110-5x

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