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Suppose the diagonals of a parallelogram are both perpendicular and congruent. Which type of special quadrilateral is it? Use the most descriptive name possible. A. rhombus B. rectangle C. square D. parallelogram
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Suppose the diagonals of a parallelogram are both perpendicular and congruent. Which type of special quadrilateral is it? Use the most descriptive name possible.

A. rhombus
B. rectangle
C. square
D. parallelogram

User Jason Reid
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C. Square

For the angles to be perpendicular they must be at 90°, which means the shape must have a right angle, which eliminates rhombus and parallelogram. Square is congruent because the angles and lengths are all the same.
User Kaela
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