radomes.openskiesproject.org
alisharahh alisharahh
  • 02-09-2014
  • Mathematics
Answered

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

1) 2.5/pi squared

2) 2.5/pi

3) 5/pi squared

4) 5/pi

Verified Answer :

luana
luana luana
  • 02-09-2014

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

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