When is the quadrilateral formed by joining the midpoints of the sides of a quadrilateral\[PQRS\], taken in order, a rectangle?

Diagonals of \[PQRS\] are equal.

Diagonals of \[PQRS\] are perpendicular.

Diagonals of \[PQRS\] are equal.

When is the quadrilateral formed by joining the midpoints of the sides

1.	When is the quadrilateral formed by joining the midpoints of the sides of a quadrilateral\[PQRS\], taken in order, a rectangle?
A.	\[PQRS\] is a rectangle.
B.	\[PQRS\]is a parallelogram.
C.	Diagonals of \[PQRS\] are perpendicular.
D.	Diagonals of \[PQRS\] are equal.
Answer» D. Diagonals of \[PQRS\] are equal.

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When is the quadrilateral formed by joining the midpoints of the sides of a quadrilateral\[PQRS\], taken in order, a rectangle?

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