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Question:

Geometry homework help-volume?

A silo is composed of a hemisphere and a cylinder. The total height of the silo is 50 feet and the diameter of the silo is 16 feet. What is the volume of the silo to the nearest cubic foot? Help me out please? I know all the formulas so you dont have to do work step for step but just give me an overview or a tip on how to do it i can figure the rest out ..buttt an answer would be nice (; thanks so much bye

Answer:

okay first of all cut the diameter by 2 divide by 16 which gives you 8 then do 2x3.14x8 squared + 2 x 3.14 x 8 x 50 then it gives u the number i hope u get the answer?
If diameter of silo is 16 feet it means that hemisphere radius is 8 feet. Therefore height of a cylindrical part is 50 - 8 = 42 (feet) Now you know everything: Volume of hemisphere and volume of cylinder, add them and voila! you have an answer!
height of cylinder is 50-8=42 v(c)=pi*8^2*42 v(h)=2/3*pi*8^3 combine

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