A rectangle has a perimeter of 24 inches. What are its dimensions if its length is 3 inches greater than its width?
1 Answer
Mar 3, 2018
The shorter side is 4.5 inches, the longer is 7.5 inches.
Explanation:
The perimeter formula for a rectangle is
(Perimeter = 2 length + 2width)
Let
Let
Substitute into the formula to get:
Simplify (distribute then collect like terms) to:
Solve this for