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

Area = length × width.

Front

How do you calculate the perimeter of a rectangle?

Back

Perimeter = 2 × (length + width).

Front

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

Back

Area = 4 cm × 4 cm = 16 cm².

Front

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

Back

Perimeter = 4 × 5 in = 20 in.

Front

What units are used to measure area?

Back

Area is measured in square units, such as cm², m², or in².

Front

What units are used to measure perimeter?

Back

Perimeter is measured in linear units, such as cm, m, or in.

Front

If a rectangle has a length of 10 m and a width of 3 m, what is its area?

Back

Area = 10 m × 3 m = 30 m².

Front

If a rectangle has a length of 8 cm and a width of 2 cm, what is its perimeter?

Back

Perimeter = 2 × (8 cm + 2 cm) = 20 cm.