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Which of the following is true?...

Which of the following is true?

A

A quadrilateral is a square if and only if diagonal are congruent and bisects each other at right angle

B

A quadrilateral is a square if and only if diagonal are not congruent and bisects each other at right angle

C

A quadrilateral is a square if and only if diagonal are congruent

D

A quadrilateral is a square if and only ifdiagonals bisects each other at right angle

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The correct Answer is:
A
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