4 years ago

What is the diameter of a circle whose circumference is 5?

1 answer:

3 0

$Circumference\ of\ the\ circle:\\\\
C=2 \pi r\ \ , r-radius\\\\
5=2 \pi r\ \ \ |:2 \pi \\\\
\frac{5}{2 \pi }=r\\\\
r=\frac{2,5}{ \pi} \\\\Answer\ is\ 2)\ \frac{2,5}{ \pi}.$

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