k6olestwrshayolsmin k6olestwrshayolsmin

17-12-2016
Mathematics

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The area of the opening of a rectangular window is 143 cm^2. if the length is 2 cm more than the width. what is the width of the window?

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ZavierL ZavierL

17-12-2016

Area = Length x Width.
Length = 2+Width
(2+Width)(Width) = 143
2Width + Width^2 = 143
Width = 11cm
Length = 13cm, Width = 11cm

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