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 total 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 a side length of 5 cm?

Back

Area = 5 cm × 5 cm = 25 square centimeters.

Front

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

Back

Perimeter = 4 cm × 4 = 16 cm.

Front

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

Back

Area = 8 cm × 3 cm = 24 square centimeters.

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.

Front

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

Back

Perimeter = 3 cm + 4 cm + 5 cm = 12 cm.

Front

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

Back

Area = 1/2 × base × height = 1/2 × 6 cm × 4 cm = 12 square centimeters.