Area and Perimeter

Front

What is Area?

Back

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

Front

What is Perimeter?

Back

Perimeter is the distance around a shape, calculated by adding the lengths of all its sides.

Front

How do you calculate the area of a rectangle?

Back

Multiply the length by the width (Area = length × width).

Front

How do you calculate the perimeter of a rectangle?

Back

Add all the sides together (Perimeter = 2 × (length + width)).

Front

What is the area of a square with a side length of 4 cm?

Back

16 square cm (Area = side × side = 4 cm × 4 cm).

Front

What is the perimeter of a square with a side length of 5 cm?

Back

20 cm (Perimeter = 4 × side = 4 × 5 cm).

Front

If a rectangle has a length of 10 feet and a width of 2 feet, what is its area?

Back

20 square feet (Area = 10 ft × 2 ft).

Front

If a rectangle has a length of 8 feet and a width of 3 feet, what is its perimeter?

Back

22 feet (Perimeter = 2 × (8 ft + 3 ft)).

Front

What is the area of a triangle with a base of 6 cm and a height of 4 cm?

Back

12 square cm (Area = 1/2 × base × height = 1/2 × 6 cm × 4 cm).

Front

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

Back

12 cm (Perimeter = 3 cm + 4 cm + 5 cm).