The length of a rectangle is 3 times its width. the rectangle’s width is 4 m.

what is the area of the rectangle?

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Step-by-step explanation:

Given that,

Width of the rectangle, b = 4 m

The length of the rectangle, l = 3b = 3(4) m = 12 m

Let A is the area of the rectangle. It is given by :

So, the area of the rectangle is . Hence, this is the required solution.

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step-by-step explanation: