Perimeter and Area

Perimeter is the total distance around the outside of a shape.

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

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

Multiply the length by the width: Area = length × width.

Area = side × side or Area = side².

Area = 5 cm × 5 cm = 25 cm².

Area = 4 units × 2 units = 8 units².

Perimeter = 4 × side = 4 × 6 cm = 24 cm.

Perimeter = 2(length + width) = 2(10 + 5) = 30 units.

Area is measured in square units, like square centimeters (cm²) or square meters (m²).