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2 votes
Prove <2 and <7 are supplementary. Line L is parallel to line m

Prove <2 and <7 are supplementary. Line L is parallel to line m-example-1

2 Answers

4 votes
∠2 and ∠7 are supplementary because they are alternate exterior angles with a sum of 180°.
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User Premo
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5 votes
when both are added together they equal 180
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User Xdbas
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