Tuesday, March 29, 2011

12.6- Surface Area of Spheres

Today we learned about how to find the surface area of a sphere.  Think about it taking apart a baseball, and asking yourself how much leather would you need to cover the entire surface.

Tonight's homework is P. 842-843 #3,6,7, and 9

Check out this video for extra help:
http://www.brightstorm.com/math/geometry/volume/surface-area-of-spheres

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