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A rectangle is 5 cm longer than it is wide. find the dimensions of the rectangle if its area is 150 sq-cm.

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Answer:

l = w + 5

w(w + 5) = 150

w² + 5w - 150 = 0

(w - 5)(w + 10) = 0

w = 5 cm, so l = 10 cm

User Mark Grey
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