Which of the following statements is true?

A) A trapezoid must have congruent sides.

B) Every angle in a quadrilateral must be less than.

C) All rectangles are squares.

D) All rectangles are parallelograms.

D

Step-by-step explanation:

its d since the sides of a rectangle have to be parralell with eachother

D) All rectangles are parallelograms.

Step-by-step explanation:

A) A trapezoid must have congruent sides. NO

because all sides may have different lengths

B) Every angle in a quadrilateral must be less than ...

Angles of quadrilateral can have different measures.

It is important that they meet the condition:

The angles in any quadrilateral add up to 360°.

C) All rectangles are squares. NO

All squares are rectangles. The square has all sides congruent. The rectangle has two pairs of congruent sides.

D) All rectangles are parallelograms. YES

All rectangles have two pairs of congruent and parallel sides