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

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

Back

50 cm².

Front

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

Back

30 cm.

Front

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

Back

16 cm².

Front

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

Back

16 cm.

Front

If the area of a rectangle is 24 ft² and the width is 4 ft, what is the length?

Back

6 ft.

Front

If the perimeter of a rectangle is 20 ft and the length is 7 ft, what is the width?

Back

3 ft.