The Bright Star Named Rigel Has a Luminosity of 66,000 $\wedge$

Multiple Choice

The bright star named Rigel has a luminosity of 66,000 L _$\wedge$ and a temperature of 11,000 K. What is its radius? Note that the temperature of the Sun is 5,800 K.

A) 5 R _$\odot$
B) 30 R _$\odot$
C) 70 R _$\odot$
D) 135 R _$\odot$
E) 190 R _$\odot$