Question

the angle of triangle are (x-50),(x-10)and(1/2x-10

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Answer 1

Answer:

$x - 50 + x - 10 + \frac{1}{2} x - 10 = 180 \\ \\ \frac{5}{2} x - 70 = 180 \\ \\ \frac{5}{2} x = 250 \\ \\ x = 100$