Please look at the attached picture.
2 answers:
Answer:
m<B is the answer
all work is shown
Answer:
B
Step-by-step explanation:
we know that sum of all angles = 180°
A + B + C = 180°
(2x+7) + (4x-10) + ( 7x-25) = 180°
2x + 7 + 4x - 10 + 7x -25 = 180°
2x + 4x + 7x +7 -10 - 25 = 180°
13x - 28 = 180
13x = 180+ 28
13x = 208
x = 208/13
x = 16
∠B = (4x - 10) = 4(16) - 10
= 64 - 10 = 54
∠B = 54°
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Step-by-step explanation:
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