12-19

Front

What is the formula for the perimeter of a rectangle?

Back

Perimeter = 2 × (Length + Width)

Front

If the perimeter of a rectangle is 144 feet and the length is 54 feet, how do you find the width?

Back

Use the formula: Width = (Perimeter/2) - Length.

Front

What is the width of a rectangle with a perimeter of 144 feet and a length of 54 feet?

Back

18 feet.

Front

What does the term 'perimeter' mean?

Back

Perimeter is the total distance around the outside of a shape.

Front

What is a rectangle?

Back

A rectangle is a four-sided shape (quadrilateral) with opposite sides that are equal in length and four right angles.

Front

How do you calculate the area of a rectangle?

Back

Area = Length × Width.

Front

What is the area of a rectangle with a length of 54 feet and a width of 18 feet?

Back

972 square feet.

Front

What is the difference between perimeter and area?

Back

Perimeter measures the distance around a shape, while area measures the space inside a shape.

Front

If a rectangle has a length of 10 feet and a width of 5 feet, what is its perimeter?

Back

30 feet.

Front

If a rectangle has a perimeter of 50 feet and a width of 15 feet, what is its length?

Back

Length = (Perimeter/2) - Width = 20 feet.