Area & Perimeter

Front

What is Perimeter?

Back

Perimeter is the total distance around the outside of a shape. It is calculated by adding the lengths of all the sides.

Front

How do you calculate the Perimeter of a rectangle?

Back

To calculate the perimeter of a rectangle, use the formula: P = 2(length + width).

Front

What is Area?

Back

Area is the amount of space inside a shape. It is measured in square units.

Front

How do you calculate the Area of a rectangle?

Back

To calculate the area of a rectangle, use the formula: A = length × width.

Front

What is the unit of measurement for Area?

Back

The unit of measurement for area is square units (e.g., square feet, square meters).

Front

What is the unit of measurement for Perimeter?

Back

The unit of measurement for perimeter is linear units (e.g., feet, meters, centimeters).

Front

Find the Perimeter of a square with each side measuring 5 cm.

Back

P = 4 × side = 4 × 5 cm = 20 cm.

Front

Find the Area of a square with each side measuring 4 cm.

Back

A = side × side = 4 cm × 4 cm = 16 square cm.

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

Find the Area of a triangle with a base of 6 cm and a height of 4 cm.

Back

A = (base × height) / 2 = (6 cm × 4 cm) / 2 = 12 square cm.