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brenxxBi0lNinydee brenxxBi0lNinydee
  • 26-11-2016
  • Mathematics
Answered

In a circle, a central angle whose measure is pi/2 radians intercepts an arc whose length is 3pi/2 centimeters. How many centimeters are in the radius of the circle?

Verified Answer :

alsteva alsteva
  • 29-11-2016

\(\frac{3\pi}{2}\) cm = quarter of circumference


\(=\frac{2r\pi}{4}
\\
\\=\frac{r\pi}{2}
\\
\\ \Rightarrow r=3 \text{ cm}\)

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