Use the Arc Length Formula and the Given Information to Find

Use the arc length formula and the given information to find the indicated quantity.
- $\mathrm { s } = 3.4 \mathrm { ft } , \theta = \frac { \pi } { 3 } \mathrm { rad } ;$ find $\mathrm { r }$

A) $\frac { \pi } { 10.2 } \mathrm { ft }$
B) $20.4 \pi \mathrm { ft }$
C) $\frac { 10.2 } { \pi } \mathrm { ft }$
D) $10.2 \pi \mathrm { ft }$

Correct Answer:

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