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A circle has a circumference of 1{,}017.361,017.361, comma, 017, point, 36 units. What is the radius of the circle?

User Anessa
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Answer:


r\approx 162~units

Explanation:

The Circumference of a Circle

The circumference is the arc length of the circle.

A circle with radius r has a circumference calculated by:


C=2\pi\cdot r

If we are given the circumference, the radius can be calculated by solving the equation for r:


\displaystyle r=(C)/(2\pi)

The circumference of the circle is 1,017.36 units. Calculating the radius:


\displaystyle r=(1,017.36)/(2\pi)


\mathbf{r\approx 162~units}

User Proxytype
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