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Mathematics
Mathematics
Problem
For any circle of radius
r
r
r
, the ratio of the area of a sector to the length of its arc is a)
r
3
\dfrac{r}{3}
3
r
b)
r
2
\dfrac{r}{2}
2
r
c)
r
r
r
d)
r
2
π
\dfrac{r}{2\pi}
2
π
r
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