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

Formula for Area of a Rectangle

Back

A = l × w (Area = length × width)

Front

Formula for Perimeter of a Rectangle

Back

P = 2(l + w) (Perimeter = 2 times the sum of length and width)

Front

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

Back

50 square inches (A = 10 × 5)