AweStriker676 AweStriker676

05-04-2017
Mathematics

contestada

A triangle has the 3 angles marked as A = 2x - 6, B = x + 10,

C= 2x +1.

What is x?

Respuesta :

dferreiraalves dferreiraalves

05-04-2017

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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