12.6 – Surface Area and Volume of Spheres LAST NOTES OF THE YEAR! SPHERE NOT!

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12.6 Surface Area & Volume of Spheres

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Presentation transcript:

12.6 – Surface Area and Volume of Spheres LAST NOTES OF THE YEAR! SPHERE NOT!

Sphere: The set of all points in space equidistant from a given point

Radius:Length from the center of the sphere to all the sides of the sphere

Hemisphere:Half a sphere

Great Circle:Plane that contains the center of the sphere, the radius is the same as the one for the sphere

Surface Area of a Sphere:

Volume of a Sphere:

Find the surface area.

11

Find the volume.

10.5

The center of the sphere is C and its circumference is 17  feet. a. What is half of the sphere called? Hemisphere

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The center of the sphere is C and its circumference is 17  feet. c. Find the diameter of the sphere. r = 8.5ft d = 17ft

The center of the sphere is C and its circumference is 17  feet. d. Find the volume of the hemisphere.

SA = 324  ft 2 Find the radius of a sphere with the given information. 4 

Find the radius of a sphere with the given information. V = 36  in 3 

Find the radius of a sphere with the given information. V = 2304  yd 3