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Nutka1998 [239]
3 years ago
7

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

Mathematics
1 answer:
Degger [83]3 years ago
6 0
Let the length be x

Area = x²
Perimeter = 4x

<span>Area of a square is 3 times its perimeter
</span>⇒ x² = 3(4x)

x² = 3(4x)
x² = 12x
x² - 12x = 0
x(x - 12) = 0
x = 0 or x = 12

Since x cannot be zero, x = 12

Answer: The length is 12 units.


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