## Area of a Square

### 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 square, simply multiply the side length (or *base length*)
times itself to find the area.

For example, a square with a side length of 4 centimeters has an area of 4*4 = 16 square centimeters.

The diagram below shows how we could count out the 16 square centimeters.

1 | 2 | 3 | 4 |

5 | 6 | 7 | 8 |

9 | 10 | 11 | 12 |

13 | 14 | 15 | 16 |

A square is a very special type of rectangle, so the rectangle 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 square whose side length is cm?

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