Question

the angles of a triangle are (2×+17) (×+10) and (5×-7).find all the angles of the triangle​

Answer 1

Answer:

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Answer 2

Answer:

2x + 17 + x + 10 + 5x - 7 = 180º

Angle sum property

8x + 20 = 180º

8x = 180 - 20

8x = 160º

x = 20º

First angle = 2x + 17 = 40 + 17 = 57º

Second angle = x + 10 = 20 + 10 = 30º

Third angle = 5x - 7 = 100 - 7 = 93º

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