12.6 – Surface Area and Volume of Spheres
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Transcript of 12.6 – Surface Area and Volume of Spheres
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12.6 – Surface Area and Volume of Spheres
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Sphere: The set of all points in space equidistant from a given point
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Radius: Length from the center of the sphere to all the sides of the sphere
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Hemisphere: Half a sphere
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Great Circle: Plane that contains the center of the sphere, the radius is the same as the one for the sphere
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Surface Area of a Sphere:
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Surface Area of a Sphere:
24SA r
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Volume of a Sphere:
34
3V r
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1. Find the surface area and volume.
24SA r24 (6)SA
2144SA cm
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1. Find the surface area and volume.
34
3V r
346
3V
4216
3V
3288V cm
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2. Find the surface area.
24SA r24 (11)SA
2484SA in11 11
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2. Find the surface area.
11 11
34
3V r
3411
3V
41331
3V
31774.67V cm
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Find the surface area and volume of Earth if the diameter is 7,926 miles