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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-> 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):
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.
