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Properties of a Rectangle

publish date: 2026/05/15 10:53:26.958035 UTC

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A rectangle is a parallelogram with four right angles. Select all properties that are true for every rectangle.

All four angles are right angles.

Opposite sides are parallel.

Opposite sides have equal length.

The diagonals have equal length.

All four sides have equal length.

Correct Answer

(1) All four angles are right angles.

(2) Opposite sides are parallel.

(3) Opposite sides have equal length.

(4) The diagonals have equal length.

Explanation

Every rectangle has these four properties: (1) all four angles are right angles, (2) opposite sides are parallel, (3) opposite sides have equal length, (4) the diagonals have equal length (and bisect each other). The statement "all four sides have equal length" applies only to squares, not all rectangles.

Reference

Mathematics for college students

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