SOLUTION: The area of a retangle is 126 squre inches, and the perimeter is 50 inches. What are the dimensions of the rectangle?
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Question 335639: The area of a retangle is 126 squre inches, and the perimeter is 50 inches. What are the dimensions of the rectangle?
Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!
For a rectangle, the area is,
1.
and the perimeter is,
2.
From eq. 1,
Substitute into eq. 2,
Two solutions:
Then
.
.
.
.
.
.
The rectangle is 7in x 18in.
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