Area and Perimeter of Rectangles and Squares

The area of a square is 25 m². How long is one side of the square?

• 5 m.

• 6.25 m

• 100 m

• 625 m²

The rectangle above has a perimeter of 54 units. If the length is 20 units, what is the width?

• 14 units

• 7 units

• 5 units

• 3 units

A square has a perimeter of 48 feet. What is the length of one side of the square?

• 12 feet

• 6 feet

• 8 feet

• 4 feet

The perimeter of the rectangle above is 30 ft. What is the measure of the missing side?

• 16 ft.

• 8 ft.

• 210 ft.

• 4.3 ft.

• 6 units

• 10 units

• 150 units

• 15 units

A rectangle has an area of 45 square inches and a width of 3 inches. What is the length of the rectangle?

• 135 square inches

• 66 inches

• 15 inches

• 9 inches

Find the width of the rectangle.

• 2.5 ft

• 25 ft

• 2.5 ft²

• 250 ft²

If I wanted to decorate the edge of a cake, that would be an example of:

• area

• perimeter

Mrs. Davis wanted to cover the classroom with new carpet. If the length of the classroom was 12 feet and the width was 8 feet. How much carpet would she need to buy?

• 20 feet

• 40 ft

• 96 square feet

• 40 square feet

What is the perimeter of the rectangle?

• 28 sq feet

• 28 feet

• 48 feet

• 48 sq feet