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For a quadrilateral to be a square, the diagonals must beCongruent and perpendicularCongruent PerpendicularParallel

For A Quadrilateral To Be A Square The Diagonals Must BeCongruent And PerpendicularCongruent PerpendicularParallel class=

Answer :

Recall that:

1) A quadrilateral is rectangle if it has congruent diagonals.

2) A quadrilateral is rhombus if it has perpendicular diagonals.

Also, recall that a square is a rectangle that is also a rhombus, therefore its diagonals must be congruent and perpendicular.

Answer: Congruent and perpendicular.

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