Sagot :
Answer:
if both pairs of opposite angles of a quadrilateral are congruent, then the quadrilateral is a parallelogram. If the diagonals of a quadrilateral bisect each other, then the quadrilateral is a parallelogram. If a quadrilateral is a rectangle, then it is a parallelogram
Step-by-step explanation:
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Answer:
Congruent
Step-by-step explanation:
A quadrelateral is a parallelogram if both pairs of opposite sides are Congruent
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