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3 votes
Please help me guys I need help on this work

Please help me guys I need help on this work-example-1

1 Answer

4 votes

Explanation:

Assuming the two horizontal lines are parallel

then the two labeled angles are supplemental

99 + 7x -20 = 180 degrees

x = 14.42 7x-20 = 81 degrees

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User Lehiester
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