Math, asked by chhavi165, 10 months ago

the angles of a triangle are (x-40),(x-20) and (1/2x-10) find x

Answers

Answered by Anonymous

1

X-20+X-40+1/2X-10=180

2X-70+X/2=180

5X/2=180+70

X=250*2/5

X=100

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