Area & Perimeter

Front

What is the perimeter of a rectangle?

Back

The perimeter is the total distance around the rectangle, calculated by adding the lengths of all four sides.

Front

How do you find the perimeter of a rectangle?

Back

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

Front

What is the area of a rectangle?

Back

The area is the amount of space inside the rectangle, calculated by multiplying the length by the width.

Front

How do you find the area of a rectangle?

Back

You multiply the length by the width: Area = length × width.

Front

What is the formula for the area of a square?

Back

Area = side × side or Area = side².

Front

What is the perimeter of a square?

Back

The perimeter is the total distance around the square, calculated by adding all four equal sides or using the formula: P = 4 × side.

Front

What units are used to measure area?

Back

Area is measured in square units, such as square centimeters (sq. cm), square meters (sq. m), or square inches (sq. in).

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 perimeter?

Back

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

Front

If a rectangle has a length of 8 m and a width of 3 m, what is its area?

Back

Area = 8 m × 3 m = 24 sq. m.