A rectangle has an area of 98 square inches. the length of the rectangle is double the width of the rectangle. find the dimensions of the rectangle

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03-10-2017
Mathematics

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A rectangle has an area of 98 square inches. the length of the rectangle is double the width of the rectangle. find the dimensions of the rectangle

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kritter1 kritter1 · Answer 1 · 2017-10-03T08:38:22+02:00

kritter1 kritter1

03-10-2017

Let x be width.

Length: 2x

98=2x(x)
2x^2=98
x^2=98/2
x^2=49
x= sqrt(49)
x= 7 (not -7 because distance cannot be in negatives)

Therefore, the dimensions are 7"x14"

Hope I helped :)

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