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5 votes
M∠1 = _°

a) 90
b) 70
c) 50

M∠1 = _° a) 90 b) 70 c) 50-example-1

1 Answer

2 votes
∠1 = 1/2 (140 - 40) = 50°

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Answer : 50° (Answer C)
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User Blurfx
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