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Coords of qdltrl PQRS are P(0, 0), Q(a + c, 0), R(2a + c, b), and S(a, b). Hwcanyo usecoordinate gmtrytoshow that1pairofop.sideisparallel?

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  • Coords of qdltrl PQRS are P(0, 0), Q(a + c, 0), R(2a + c, b), and S(a, b). Hwcanyo usecoordinate gmtrytoshow that1pairofop.sideisparallel?


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Answer #1 | 06/06 2017 04:44
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Positive: 53.846153846154 %
Answer #2 | 06/06 2017 04:56
parallel lines have the same slope. so, use the slope formula with the given coordinates and find which slopes are equal. slope formula: m = (y2 - y1) / (x2 - x1) showing that PQ is parallel to RS: slope for PQ = (0 - 0) / (a + c - 0) = 0 slope for RS = (b - b) / (a - 2a - c) = 0 since both slopes equal 0, the lines are parallel.
Positive: 51.25 %

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