Problema Solution
l of rectangle is 4in longer than its width, if the perimeter of rectangle is 36in, find its area
Answer provided by our tutors
Let
x = the width
x + 4 = the length
P = 36 in the perimeter
P = 2(length + width)
2(x + 4 + x) = 36
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click here to see the equation solved for x
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x = 7 in is the width
x + 7 = 11 in is the length
Area = width*length
A = 7*11
A = 77 in^2
The area of the rectangle is 77 inches square.