Perimeter and Area

Front

What is Perimeter?

Back

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

Front

How do you calculate the Perimeter of a rectangle?

Back

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

Front

What is Area?

Back

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

Front

How do you calculate the Area of a rectangle?

Back

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

If a square has a side length of 5 cm, what is its Area?

Back

Area = 5 cm × 5 cm = 25 cm².

Front

If a rectangle has a length of 4 units and a width of 2 units, what is its Area?

Back

Area = 4 units × 2 units = 8 units².

Front

What is the Perimeter of a square with a side length of 6 cm?

Back

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

Front

If a rectangle has a length of 10 units and a width of 5 units, what is its Perimeter?

Back

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

Front

What units are used to measure Area?

Back

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