The length of a rectangle is 3 m more than double the width, and the area of the rectangle is 35 m2. Find the dimension of the rectangle.

Question

Mathematics

Stuart

9 September, 09:28

The length of a rectangle is 3 m more than double the width, and the area of the rectangle is 35 m2. Find the dimension of the rectangle.

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Answers (1)

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Blackjack · Answer 1

A=35m2

L=3+2*W

35m2=L*W

35m2 = (3+2W) * W

35=3*W+2*W^2

0=3*W+2*W^2-35

W1=7/2m

W2=-5 (can't be used since it's negative)

L=3+2*W

L=3+2 * (7/2)

L=10m