Properties of Rectangles 12.9.24

Front

What is a rectangle?

Back

A rectangle is a quadrilateral with four right angles and opposite sides that are equal in length.

Tags

CCSS.5.G.B.4

Front

What are the properties of the diagonals of a rectangle?

Back

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

Tags

CCSS.HSG.CO.C.11

Front

What does it mean for angles to be supplementary?

Back

Two angles are supplementary if the sum of their measures is 180 degrees.

Tags

CCSS.7.G.B.5

Front

In a rectangle, are consecutive angles supplementary?

Back

True, consecutive angles in a rectangle are supplementary.

Front

If the length of a rectangle is 12 and the width is 9, what is the perimeter?

Back

Perimeter = 2(length + width) = 2(12 + 9) = 42.

Tags

CCSS.4.MD.A.3

Front

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

Back

Area = length × width = 10 × 5 = 50.

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

Front

What is the relationship between the sides of a rectangle and its area?

Back

The area of a rectangle is calculated by multiplying its length by its width.

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

Front

If one side of a rectangle is 8 and the other side is 6, what is the length of the diagonal?

Back

Diagonal = √(length² + width²) = √(8² + 6²) = √(64 + 36) = √100 = 10.

Tags

CCSS.8.G.B.8

Front

What is the formula for the area of a rectangle?

Back

Area = length × width.

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

Front

What is the formula for the perimeter of a rectangle?

Back

Perimeter = 2(length + width).

Tags

CCSS.3.MD.D.8