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The numerical value of a particular square's area is equal to the numerical value of its perimeter times four. What is the length of a side of the square?

 Jul 2, 2022
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What is the length of a side of the square?

 

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\(a^2=4\cdot 4a\\ a^2-16a=0\\ a(a-16)\\ \color{blue}a\in \{0,16\}\)

16 is the length of a side of the square.

laugh  !

 Jul 2, 2022

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