An ostrich egg has about the same volume as a sphere with a diameter of 5 inches. If the eggshell is 1/12 inch thick, find the v
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check the picture below.
notice, you simply have 6 rectangles, thus simply get the area of each, sum them up and that's the area of the net.
(5*4) + (4*3) + (5*3) + (5*4) + (5*3) + (4*3).
