Glencoe Math: Course 3, Volume 2
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Exercise 4 Page 586

Use the formula for area of a rectangle.

42.25cm^2

Practice makes perfect
To find the area of the square, we will use the formula for calculating the area of a rectangle. A=l * w Since a square is a rectangle whose length l and width w are equal, we can adapt the formula for a square with side length s.

A=l * w ⇒ A=s^2 Let's consider the given figure.

We have been given that the side length s is equal to 6.5 centimeters. To find the area of the square, we will substitute this value into the formula to calculate A.
A=s^2
A=( 6.5)^2
A=42.25
The area of the square is 42.25 cm^2.