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fgiga [73]
3 years ago
13

The radius of a circle is 14. Using π, which equation expresses the ratio of the circumference of the circle to the circle's dia

meter?
Mathematics
1 answer:
larisa [96]3 years ago
3 0

Answer:

\dfrac{c}{28}=\pi

Step-by-step explanation:

The circumference c of circle of radius r is given by

c=2\pi r,

and the diameter d is 2 times the radius:

d=2r.

Therefore, the ratio of the circumference to the diameters is

\dfrac{c}{d}=\dfrac{2\pi r}{2r}

\dfrac{c}{d}=\pi.

Putting in d= 2r =28, we get

\boxed{ \dfrac{c}{28}=\pi}

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