In the square, the side of which is 14 cm, a circle is inscribed. Find the length of this circle.

In this problem, we have a side of a square, which means that if it is inscribed in a circle, then its radius is equal to half the side 14/2 = 7. And the circumference itself is equal to 2 * pi * radius = 2 * pi * 7 = 14 * pi. Here is our answer: 14 * pi.



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