Solve the Problem $75.9 \mathrm { ft } ^ { 2 }$

Multiple Choice

Solve the problem.
-A heat duct in the college library has a circular cross section with a radius of 10 inches and a length of 29 feet. How much paint (in square feet) is needed to paint the duct?

A) $75.9 \mathrm { ft } ^ { 2 }$
B) $910.6 \mathrm { ft } ^ { 2 }$
C) $151.8 \mathrm { ft } ^ { 2 }$
D) $1821.2 \mathrm { ft } ^ { 2 }$