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12345 [234]
4 years ago
10

A circle has a circumference of 7{,}8507,8507, comma, 850 units. What is the radius of the circle?

Mathematics
1 answer:
Mashutka [201]4 years ago
6 0

\bf \textit{circumference of a circle}\\\\ C=2\pi r~~ \begin{cases} r=radius\\[-0.5em] \hrulefill\\ C=7850 \end{cases}\implies 7850=2\pi r\implies \cfrac{7850}{2\pi }=r\implies 1249.37\approx r

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