Quadrilaterals and Rectangles

Which statement explains why a rectangle is a parallelogram?

• They both are rhombuses.

• They are both quadrilaterals.

• They both have two pairs of parallel sides.

• They are both quadrilaterals with four right angles.

Name that shape.

• trapezoid

• quadrilateral

• parallelogram

• rhombus

Name that shape. 

• quadrilateral, parallelogram, rectangle, rhombus, square

• square

• quadrilateral, parallelogram, square

• quadrilateral, parallelogram, rhombus, square

Name that shape.

• quadrilateral, rectangle

• quadrilateral, rectangle, square

• quadrilateral, parallelogram, rectangle

• quadrilateral, parallelogram, rectangle, square

Diagonals of a rectangle are congruent.

• True

• False

Answer explanation

The statement is true because in a rectangle, the diagonals are always congruent, meaning they have the same length.

  ABCD is a rectangle.    AB = 14, BC = 9, AC = 22.  Find DC.

• 14

• 9

• 11

• 22

Which of the following is true about the diagonals of a rectangle? Select all that are true.

• Diagonals bisect each other

• Diagonals are congruent

• Diagonal are perpendicular

• Diagonals bisect the angles

Which of the following statements are true about all rectangles? Select all that apply!

Quadrilateral LMNO is a rectangle. What is the length of MN?

• 7

• 5

• 14

• 10

Is the following statement true always, sometimes, or never?
The diagonals of a rectangle are equal in length.​​ (a)  

• Always

• Never

• Sometimes