Question

The length of a rectangle is twice as much as its width. if we use x to represent the length of the rectangle, which expression gives the area of the rectangle?

Answer 1

If Length is "Twice" it's width then we can say:

Width = 2 × Length (x)

And the Formula of Area of a rectangle is:

Area = Length × width

So we can say:

Area of rectangle = 2x × x
= 2x^2

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