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02-09-2016
Mathematics

contestada

If a quadrilateral is a parallelogram, then its opposite sides are _____.

A.perpendicular
B.adjacent
C.congruent
D.none of these

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Аноним Аноним

06-09-2016

The answer is letter c.

If a quadrilateral is a parallelogram, then its opposite sides are congruent. The congruence is the result of the Euclidean parallel postulate.

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