Find the Area of the Surface Formed by Revolving About $r = 6 \cos \theta , 0 \leq \theta \leq \frac { \pi } { 2 }$

question 36

Multiple Choice

Find the area of the surface formed by revolving about the polar axis the following curve over the given interval. $r = 6 \cos \theta , 0 \leq \theta \leq \frac { \pi } { 2 }$

• A) \(36 \pi\)
• B) \(13 \pi\)
• C) \(6 \pi\)
• D) \(12 \pi\)
• E) \(14 \pi\)

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