## Area of a Rectangle

### Area: Learn

Area is the space within a shape. The units of area are the squares of the units of length (that is, if a shape's sides are measured in meters, then the shape's area is measured in square meters).

For a rectangle, simply multiply the two different side lengths (also known as base and height) to find the area.

For example, a rectangle with a base of 4 cm and a height of 3 cm has an area of 4*3 = 12 square centimeters.

The diagram below shows how we could count out the 12 square centimeters.

 1 2 3 4 5 6 7 8 9 10 11 12

A square is a very special type of rectangle, so the square formula for area is very similar. Where a rectangle has two different side lengths to multiply together, the sides of a square are all the same.

### Area: Practice

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What is the area of a rectangle whose
base length is cm
and
height length is cm?

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