AgentPangolin
21.07.2019 •
Mathematics
The numerical value of the area of a square is 3 times it’s perimeter. what is the length of its side?
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Ответ:
Area = x²
Perimeter = 4x
Area of a square is 3 times its perimeter
⇒ 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
The length is 12 units.
Ответ:
brebrber
Step-by-step explanation: