SOLUTION: The length of a rectangle is 3cm longer than the width. The perimeter of the rectangle is 46 cm. Work out area of the rectangle.

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Question 1117055: The length of a rectangle is 3cm longer than the width.
The perimeter of the rectangle is 46 cm.
Work out area of the rectangle.
Answer by ikleyn(52754)   (Show Source): You can put this solution on YOUR website!
.
L + W + L + W = 46    (perimeter)


2L + 2W = 46


L + W = 23


(W+3) + W = 23


2W + 3 = 23


2W = 23 - 3 = 20  ====>  W =  = 10.


The width = 10 cm.  Hence, the length = 10 + 3 = 13 cm.


Then the area is 10*13 = 130 cm^2.

Solved.


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