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daser333 [38]
3 years ago
15

What are the three angle measures in the triangle shown below

Mathematics
1 answer:
sergeinik [125]3 years ago
4 0
B. 31°, 43°, 106°
since all angles of a triangle add up to 180°, you combine all of the equations to equal 180 and solve for X. the equation you would get it 3x+1+11x-4+5x-7=180. this simplifies to 19x-10=180. then you solve for x, and it is 10. then, you plug 10 into all of the equations separately to find the angles. therefore, the answer is B
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