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5 votes
I don't know how to solve

I don't know how to solve-example-1
User Pgl
by
6.4k points

1 Answer

4 votes
bcoz a stright angle is 180 degrees, and l and k r parallel lines, so it means ...
I don't know how to solve-example-1
User Learnlearnlearn
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6.9k points
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