Find the Area of the Part of the Cylinder $y ^ { 2 } + z ^ { 2 } = 9$

Multiple Choice

Find the area of the part of the cylinder $y ^ { 2 } + z ^ { 2 } = 9$ that is above the rectangle R = [0, 2] $\times$ [3, 3].

A) 3 $\pi$
B) 2 $\pi$
C) 3
D) 2
E) 12 $\pi$
F) 6 $\pi$
G) 12
H) 6