math

The numerical value of the area of a square is 3 times it’s perimeter. What is the length of its side?

Explain please?

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  1. if the square has side s, then
    perimeter = 4s
    area = s^2

    So, that means we have

    s^2=3*4s
    s^2=12s
    s=12

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  2. Oh thank you.

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