The Polar Equation of a Circle Is Given $$\mathrm { r } = 6 \cos \theta$$

Multiple Choice

The polar equation of a circle is given. Give polar coordinates for the center of the circle and identify its radius.
- $$\mathrm { r } = 6 \cos \theta$$

A) $\mathrm { C } ( 3,0 )$ , radius $= 3$
B) $\left( 3 , \frac { \pi } { 2 } \right)$ , radius $= 3$
C) $\left( 6 , \frac { \pi } { 2 } \right)$ , radius $= 6$
D) $\mathrm { C } ( 6,0 )$ , radius $= 6$