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 side length 4 cm?

Back

Area = 4 cm × 4 cm = 16 cm².

Front

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

Back

Perimeter = 4 × 4 cm = 16 cm.

Front

What units are used to measure area?

Back

Area is measured in square units, such as square centimeters (cm²), square meters (m²), or square inches (in²).

Front

What units are used to measure perimeter?

Back

Perimeter is measured in linear units, such as centimeters (cm), meters (m), or inches (in).

Front

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

Back

Area = 10 cm × 5 cm = 50 cm².

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.