kayarnold7178 kayarnold7178

07-08-2017
Mathematics

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Is it possible to bend a 20cm length of wire into the shape of a rectangle which has an area of 30cm2 ? show work?

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musiclover10045 musiclover10045

07-08-2017

Length = x

Width = 10-x

Area = x(10-x) = 10x-x^2

10-2x=0

X=5

Area = 5 x 5 = 25

It is not possible, the largest area is a square with area of 25 cm^2

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