2 years ago

What is the value of x?

1 answer:

3 0

Theorem: An exterior angle of a triangle is equal to the sum of the opposite interior angles.

2x + 10 + 79 = 6x + 1
6x - 2x = 10 + 79 - 1
4x = 88
x = 88 ÷ 4
x = 22 (Answer D)

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