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May 15th, 2012, 11:17 PM  #1 
Newbie Joined: May 2012 Posts: 5 Thanks: 0  area, surfaces, volume
please help: a square and an equilateral triangle having their bases parallel are inscribed in a circle of radius R; the whole figure is then resolved about the diameter AB perpendicular to the base of the triangle. Find, in terms of R, (a) the total area of each of the three surfaces generated, (b) the volume of each of the three solids generated. please help guys, i need this asap. thank you. 

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area, surfaces, volume 
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