Perimeter of Rectangles

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 10 cm and a width of 5 cm, what is its perimeter?

Back

Perimeter = 2 × (10 cm + 5 cm) = 30 cm

Front

Fill in the blank: The perimeter is the distance _________ a figure.

Back

Around

Front

True or False: The perimeter is the outside of a space or figure.

Back

True

Front

What unit of measurement is commonly used for perimeter?

Back

Inches, centimeters, meters, etc.

Front

If a rectangle has a perimeter of 50 cm and a length of 20 cm, what is the width?

Back

Width = (Perimeter/2) - Length = (50 cm/2) - 20 cm = 5 cm

Front

What does the term 'perimeter' mean?

Back

The total distance around the outside of a shape.

Front

If a rectangle has a perimeter of 40 m, and the length is 15 m, what is the width?

Back

Width = (Perimeter/2) - Length = (40 m/2) - 15 m = 5 m

Front

How do you calculate the perimeter of a rectangle with equal sides?

Back

Perimeter = 4 × side length (for a square)

Front

What is the perimeter of a rectangle with a length of 12 in. and a width of 8 in.?

Back

Perimeter = 2 × (12 in. + 8 in.) = 40 in.