Perimeter and Area

Front

What is Perimeter?

Back

Perimeter is the total distance around the outside of a shape. It is calculated by adding the lengths of all the sides.

Front

How do you calculate the perimeter of a rectangle?

Back

To calculate the perimeter of a rectangle, use the formula: P = 2(length + width).

Front

What is Area?

Back

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

Front

How do you calculate the area of a rectangle?

Back

To calculate the area of a rectangle, use the formula: A = length × width.

Front

What is the perimeter of a square with each side measuring 5 cm?

Back

The perimeter is 20 cm (P = 4 × side length).

Front

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

Back

The area is 16 square centimeters (A = side length × side length).

Front

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

Back

The area is 50 square centimeters (A = 10 cm × 5 cm).

Front

If a rectangle has a perimeter of 30 cm and a length of 10 cm, what is its width?

Back

The width is 5 cm (P = 2(length + width) => 30 = 2(10 + width)).

Front

What is the perimeter of a triangle with sides measuring 3 cm, 4 cm, and 5 cm?

Back

The perimeter is 12 cm (P = 3 cm + 4 cm + 5 cm).

Front

What is the area of a triangle with a base of 6 cm and a height of 4 cm?

Back

The area is 12 square centimeters (A = 1/2 × base × height).