4 years ago

A triangle has the 3 angles marked as A = 2x - 6, B = x + 10, C= 2x +1. What is x?

1 answer:

3 0

Olá!

(2x - 6) + (x+ 10) + (2x + 1) = 180

2x - 6 + x + 10 + 2x + 1 = 180

2x + x + 2x = 180 + 6 - 10 - 1

5x = 175

x = 35

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