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Given that a shape is a parallelogram, which of the following is sufficient to state that it is also a rectangle?

A. The opposite sides are of equal length.
B. The diagonals are of equal length.
C. The opposite sides are parallel.
D. The diagonals bisect each other.

1 Answer

1 vote
Given that a shape is a parallelogram, the answer that is sufficient to state that it is also a rectangle is that C. The opposite sides are parallel.
A is not enough - this would mean it is a square, not a rectangle.
User Jo So
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