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Area of Rectangles Examples

Example 1

What is the area of a rectangle with length of 7 miles and a width of 3 miles?

Example 2

If the area of a rectangle is 140 cm2 and the width is 7 cm, what is the length?

Example 3

A rectangle has an area of 800 in2 and a perimeter of 120 inches. What are its side lengths?

Example 4

A rectangle has side lengths of 8 yards and 18 yards. What are the side lengths of a square with the same area?