SOLUTION: If a square with a side of 5 is inscribed in a circle, what is the circumference of the circle?

Question 737103: If a square with a side of 5 is inscribed in a circle, what is the circumference of the circle?
Answer by MathLover1(20850) (Show Source): You can put this solution on YOUR website!

Since the square is inscribed in a circle, the of the square touches the circle. Hence the of the circle is the of the square.
Now, the length of the diagonal is obtained by using Pythagoras theorem, and the area and the is

then radius is
so, the circumference of the circle is:

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