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What's the value of X and the measure of angles B and C ? Please help

What's the value of X and the measure of angles B and C ? Please help-example-1
User Samm
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2 Answers

3 votes
48+(6x-28)+(2x)=180
8x=180-48+28
8x=160
x=20

B°=120-28=92°
C°=40°
User Eddiem
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7.5k points
2 votes
sum of interior in a triangle = 180
so

48 + 6x - 28 + 2x = 180
8x + 20 = 180
8x = 160
x = 20

m<B = 6x - 28
m<B = 6(20) - 28
m<B = 120 - 28
m<B = 92

m<C = 2x
m<C = 2(20)
m<C = 40
User AAlvz
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6.9k points