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telo118 [61]
2 years ago
9

I need to solve for A. Please help! Thank you!

Mathematics
1 answer:
nlexa [21]2 years ago
8 0

Step-by-step explanation:

125 is vertically opposite to the interior angle of triangle

then X+40+X+31+125=180(sum of angle of triangle is 180)

the we get X= -22

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