Question

The length of a rectangle is three times its width, and its area is 9 cm2

. Find the

dimensions of the rectangle.​

Answer 1

3√3 cm. = l

√3 cm. = w

Explanation:

l = 3w

9 = 3w[w] ↷

9 = 3w² [Divide by 3]

3 = w² [Take the square root]

√3 = w [plug this back into the top equation to get a length of 3√3 cm.]

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