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the following statement always true, always false, or true in some cases and false in others? Explain your answer. A quadrilateral whose diagonals are congruent and perpendicular is a square.

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    True in some but not all cases.

    Take two lines of equal length (which will be the diagonals)and have them intersect perpendicularly at a place other than the midpoint of both. Coonnect the ends ot the lines to form a quadrilateral. It will not be a square.

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