Perimeter Practice

Front

What is perimeter?

Back

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

Front

How do you calculate the perimeter of a rectangle?

Back

Add the lengths of all four sides or use the formula: P = 2(length + width).

Front

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

Back

P = 2(10 cm + 5 cm) = 30 cm.

Front

What is the perimeter of a square with each side measuring 4 inches?

Back

P = 4 sides × 4 inches = 16 inches.

Front

What is the perimeter of a triangle with sides measuring 3 cm, 4 cm, and 5 cm?

Back

P = 3 cm + 4 cm + 5 cm = 12 cm.

Front

If the perimeter of a rectangle is 20 cm and the length is 6 cm, what is the width?

Back

Width = (20 cm - 2 × 6 cm) / 2 = 4 cm.

Front

What is the perimeter of a shape with sides measuring 2 m, 3 m, and 5 m?

Back

P = 2 m + 3 m + 5 m = 10 m.

Front

If a square has a perimeter of 24 cm, what is the length of one side?

Back

Length of one side = 24 cm / 4 = 6 cm.

Front

What is the perimeter of a rectangle with a length of 8 feet and a width of 3 feet?

Back

P = 2(8 ft + 3 ft) = 22 ft.

Front

How do you find the perimeter of a polygon?

Back

Add the lengths of all the sides together.