YA a. Verify that 0Q and PR have the same midpoint. b. Part (a) shows that the diagonals of OPQR bisect each other. Therefore OPQR is a ?. c. Use slopes to verify that the opposite sides of OPQR are parallel. d. Use the distance formula to verify that the opposite sides are congruent. Q(9. 9) P(2, 6) R(7, 3)

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A:

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A:

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