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

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 4 units?

Back

Area = 4 × 4 = 16 square units.

Front

What is the perimeter of a square with a side length of 5 units?

Back

Perimeter = 4 × 5 = 20 units.

Front

What is a composite figure?

Back

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

Front

How do you find the area of a composite figure?

Back

Find the area of each simple shape and add them together.

Front

If a rectangle has a length of 10 inches and a width of 3 inches, what is its area?

Back

Area = 10 × 3 = 30 square inches.

Front

If a triangle has a base of 6 units and a height of 4 units, what is its area?

Back

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