jariahbaker jariahbaker

28-06-2020
Mathematics

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a rectangle has an area of 40 sq units , then length is 6 units greater than the width

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fadi202478 fadi202478

28-06-2020

Answer:

A=L*W

Let w be width

L=(w+6)

40=(w+6)*w

40= w^{2} +6w

w^{2} +6w-40=0

w^{2}+10w-4w-40=0

w(w+10)-4(w+10)=0

(w-4)(w+10)=0

w=4

Length= 10 units

Width=4 units

Step-by-step explanation:

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