toterpop1
toterpop1
08-06-2017
Mathematics
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Intersecting lines and proofs
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Аноним
Аноним
08-06-2017
answer is B.
hope it helps
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bcalle
bcalle
08-06-2017
The answer would be B.
If the lines intersect to form right angles, by definition of perpendicular, PQ and RS are perpendicular.
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