Area and Perimeter of a Rectangle

Front

The space on the inside of a rectangle is its

Back

area

Front

What is the formula to find the area of a rectangle?

Back

Area = length × width

Front

What is the formula to find the perimeter of a rectangle?

Back

Perimeter = 2 × (length + width)

Front

If a rectangle has a length of 5 cm and a width of 3 cm, what is its area?

Back

15 sq cm

Front

If a rectangle has a length of 5 cm and a width of 3 cm, what is its perimeter?

Back

16 cm

Front

What unit is used to measure area?

Back

Square units (e.g., sq cm, sq ft)

Front

What unit is used to measure perimeter?

Back

Linear units (e.g., cm, ft)

Front

If the length of a rectangle is doubled, how does that affect the area?

Back

The area is doubled.

Front

If the width of a rectangle is halved, how does that affect the perimeter?

Back

The perimeter decreases.

Front

A rectangle has a perimeter of 20 cm. If the length is 8 cm, what is the width?

Back

2 cm