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Sphere
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http://www.youtube.com/watch?v=cAxHYFRx 1Fs http://www.youtube.com/watch?v=cAxHYFRx 1Fs
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Spheres: SA = 4 r 2 a hemisphere splits a sphere exactly in half The top part of a hemisphere is called a great circle. The top part of a hemisphere is called a great circle.
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Example 1) Find the surface area of the sphere given the area of the great circle is 201.1 in 2.
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Example 3) Find the surface area of the hemisphere.
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SolidFormula Volume of a Sphere V = (4/3) r 3
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http://www.youtube.com/watch?v=xuPl_8o_j 7k http://www.youtube.com/watch?v=xuPl_8o_j 7k
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4)A sphere has a diameter of 5”. Find its volume. Find its volume. Example
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What was the inverse of squaring something?
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Similarly, what do you think the inverse of cubing something (raising something to the 3rd power) will be?
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