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SAT - Math - Geometry

Point A and B are on the surface of a sphere that has a volume

Point A and B are on the surface of a sphere that has a volume of 36*pie cubic feet. What is greatest possible lenght, in feet, of line segment AB? (The volume of a sphere with radius r is V=4/3(pie)r^3.

Volume = 36 pi

4/3 pi * r3 = 36 pi

r3 = 27

r = 3

largest distance between two points on a sphere = diameter of the sphere = 2*r = 6 ft.