01-03-2019
Mathematics

contestada

The angles in a triangle are represented by 28 degrees, 3x, and x+20. What is the value of x?

A.33
B.31
C.34
D.32

Respuesta :

01-03-2019

A) x=33.

180-28(given angle)=152

152 makes up the remaining angles

152=3x+(x+20)

substitute in options

x=33

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