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21 votes
21 votes
Parallel lines m and n are cut by the transversal line t prove <1 and <4 are supplementary move options to the boxes to complete the proof

User TDo
by
3.0k points

1 Answer

5 votes
5 votes
You need to measure the parallel lines on and add them
User Moshe Vayner
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3.2k points
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