Properties of Rectangles

Front

What is a rectangle?

Back

A rectangle is a quadrilateral with four right angles.

Tags

CCSS.5.G.B.4

Front

What are the properties of rectangles?

Back

1. Opposite sides are equal in length. 2. All angles are right angles. 3. The diagonals bisect each other and are equal in length.

Tags

CCSS.HSG.CO.C.11

Front

Are all rectangles parallelograms?

Back

Yes, all rectangles are parallelograms because they have opposite sides that are equal and parallel.

Tags

CCSS.HSG.CO.C.11

Front

What is the formula for the area of a rectangle?

Back

Area = length × width.

Tags

CCSS.4.MD.A.3

CCSS.3.MD.C.7B

Front

What is the formula for the perimeter of a rectangle?

Back

Perimeter = 2(length + width).

Tags

CCSS.3.MD.D.8

Front

If the length of a rectangle is 10 cm and the width is 5 cm, what is the area?

Back

Area = 10 cm × 5 cm = 50 cm².

Tags

CCSS.4.MD.A.3

CCSS.3.MD.C.7B

Front

If the length of a rectangle is 8 cm and the width is 3 cm, what is the perimeter?

Back

Perimeter = 2(8 cm + 3 cm) = 22 cm.

Tags

CCSS.4.MD.A.3

Front

What do the diagonals of a rectangle represent?

Back

The diagonals of a rectangle are equal in length and bisect each other.

Tags

CCSS.HSG.CO.C.11

Front

If one angle of a rectangle is 90 degrees, what are the other angles?

Back

All angles in a rectangle are 90 degrees.

Tags

CCSS.HSG.C.A.3

Front

How do you find the length of the diagonal of a rectangle?

Back

Use the Pythagorean theorem: Diagonal = √(length² + width²).

Tags

CCSS.8.G.B.7