The length of a rectangle is 1 meter less than its width. the area of the rectangle is 42 square meters. find the dimensions of the rectangle.

Question

Mathematics

Leonel Wyatt

8 February, 03:08

The length of a rectangle is 1 meter less than its width. the area of the rectangle is 42 square meters. find the dimensions of the rectangle.

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Answers (1)

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Khalil Banks · Answer 1

A) L = W - 1

B) L * W = 42

B) L = 42 / W

substituting this into A

A) 42 / W = W - 1

Multiplying both sides by "W"

A) 42 = W^2 - W

A) W^2 - W - 42 = 0

W = 7

Length = 6