BlankGalaxies BlankGalaxies

10-01-2018
Mathematics

contestada

Find the measure of Angle B if...A & B are supplementary, and A=2x+4 B=3x+16.

A - 112
B - 32
C - 12
D - 52

Respuesta :

meerkat18 meerkat18

23-01-2018

the answer is letter A.
Solution:
180=2x+4+3x+16
180=5x+20
180-20=5x
160/5=5x/5
32=x
B=3x+16
=3(32)+16
=112 degrees

so the answer is 112

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