Understanding 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 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

If a rectangle has a length of 5 units and a width of 3 units, what is its area?

Back

15 square units.

Front

What is the formula for the perimeter of a rectangle?

Back

Perimeter = 2 × (length + width).

Front

If a rectangle has a length of 6 units and a width of 4 units, what is its perimeter?

Back

20 units.

Front

What is a square?

Back

A square is a rectangle with all four sides of equal length.

Front

How do you find the area of a square?

Back

Area = side × side.

Front

If a square has a side length of 4 units, what is its area?

Back

16 square units.

Front

What is a composite figure?

Back

A composite figure is made up of two or more simple shapes.