SOLUTION: The length of a rectangle is three times its width. If the perimeter of the rectangle is 48yd, find its area
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Question 894549: The length of a rectangle is three times its width. If the perimeter of the rectangle is 48yd, find its area
Answer by harpazo(655) (Show Source): You can put this solution on YOUR website!
length = 3x
width = x
perimeter = 48 yards
Use P = 2l + 2w
48 = 2(3x) + 2x
48 = 6x + 2x
48 = 8x
48/8 = x
6 = x
This tells me that the width is 6 yards and the length is 18 yards.
Use A = length times width to find the area.
A = 3x times x
A = 3(6)(6)
A = 18 times 6
A = 108
The area is 108 yards^2.
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