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Work out the area of a rectangle with base, b = 18mm and perimeter, P = 54mm.

 Feb 6, 2020
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Perimeter -  two sides = remaining two sides

 

54 - 18-18= 18.    This is two sides, so ONE side is 9

so the rectangle is 9 x 18.       Now You SHOULD be able to calculate the area....

 Feb 6, 2020

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