Calculate the Area of the Surface S $S$ Is the Portion of the Cone

question 256

Multiple Choice

Calculate the area of the surface S.
- $S$ is the portion of the cone $\frac { x ^ { 2 } } { 9 } + \frac { y ^ { 2 } } { 9 } = \frac { z ^ { 2 } } { 25 }$ that lies between $z = 4$ and $z = 5$ .

• A) \(\frac { 27 } { 25 } \sqrt { 34 } \pi\)
• B) \(\frac { 123 } { 25 } \sqrt { 34 } \pi\)
• C) \(\frac { 123 } { 25 } \sqrt { 34 }\)
• D) \(\frac { 81 } { 25 } \sqrt { 34 } \pi\)

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