Unformatted text preview: x2). Find the volume of the glass that is required. 2. Show that the area of a sphere with radius r is 4 πr 2 , using the method of section 8.2. Comment: You are given the answer, so it is especially important that you show your work and explain your logic clearly. 3. (a)* Show that an observer at height H above the north pole of a sphere of radius r can see a part of the sphere that has area 2 πr 2 H r + H . (b) What happens as H → ∞ , and why does this make sense?...
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 Winter '10
 Zuberman
 Math, Calculus, North Pole, South Pole, easiest way, Nontext problems

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