lilliebpierce lilliebpierce

18-04-2018
Mathematics

contestada

The angles of a triangle are 99°, 3x°, and x + 5°.

What is the value of x?

x = ?

Respuesta :

choixongdong choixongdong

18-04-2018

sum of interior angle of a triangle = 180
so
3x + x + 5 + 99 = 180
4x + 104 = 180
4x = 76
x = 19

answer
x = 19

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