The length of rectangle is twice the width. if the area of the rectangle is 8 square inches, then find the lenght and width

➷ The width can be noted as x

The length can be noted as 2x

Area = length x width

Area = 2x x x

Area = 2x^2

2x^2 = 8

Divide both sides by 2:

x^2 = 4

Square root both sides:

x = 2

width = 2

length = 2(2) = 4

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