The perimeter is (2 lengths) + (2 widths). Since the perimeter is 18 inches, (1 length) + (1 width) must add up to 9 inches.
If the length and the width must both be whole numbers, the only possible choices for the side lengths of this rectangle are:
1 x 8 in
2 x 7 in
3 x 6 in
4 x 5 in .
These are the possible lengths and widths if the side lengths
What is a perimeter in math?
Perimeter is the distance around the edge of a shape. Learn how to find the perimeter by adding up the side lengths of various shapes.
How do you find out the perimeter?
A rectangle has two equal lengths and two equal widths. In order to find the perimeter, or distance around the rectangle, we need to add up all four side lengths. This can be done efficiently by simply adding the length and the width, and then multiplying this sum by two since there are two of each side length.
Learn more about rectangle here:https://brainly.com/question/25292087
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