Sagot :
Answer:
In these quadrilaterals, the diagonals are congruent
•Rectangle
•Square
•Squareisosceles trapezoid
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Answer:
Parallelogram
Step-by-step explanation:
If a quadrilateral is a rectangle, then it is a parallelogram. If a parallelogram is a rectangle, then its diagonals are congruent. If one angle of a parallelogram is a right angle, then the parallelogram is a rectangle. If the diagonals of a parallelogram are congruent, then the parallelogram is a rectangle.