krckelleemEthy
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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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