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Find the Area of the Surface Obtained by Rotating the Circle

Question 3

Multiple Choice

Find the area of the surface obtained by rotating the circle x2+y2=52x ^ { 2 } + y ^ { 2 } = 5 ^ { 2 } about the line y=5y = 5 .


A) 75π275 \pi ^ { 2 }
B) 25π225 \pi ^ { 2 }
C) 175π2175 \pi ^ { 2 }
D) 100π2100 \pi ^ { 2 }
E) 50π250 \pi ^ { 2 }

Correct Answer:

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