Glencoe Math: Course 2, Volume 2
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Glencoe Math: Course 2, Volume 2 View details
3. Triangles
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Exercise 30 Page 562

Use the formula for the area of a rectangle.

25in.^2

Practice makes perfect

We want to find the area of a square. Let's see the figure!

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 We have been given that the side length s is 5 inches. Let's substitute this value into the formula to calculate A.
A=s^2
A= 5^2
A=25
The area of the square is 25 square inches.