The circumference is the length around a circle, that is to say, it is the perimeter of the circle.

If the circumference of a circle is 43.96 cm, what is its area?

Calculate the circumference of a wheel with a diameter of 90 cm.

Calculate the area of the square inscribed in a circle with a circumference of 18.84 cm.

By applying the Pythagorean theorem for one of the triangles, we obtain:

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