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#1 2009-01-15 16:49:03
- MoyMarian
- Member
- Registered: 2009-01-10
- Posts: 29
Solid Mensuration VIII
A conical pile of sand 4m in height has a volume of 30 cubic meters. If the bottom of the pile is on level ground, how much ground does it cover?
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#2 2009-05-22 16:28:47
- bobbym
- bumpkin
- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 109,606
Re: Solid Mensuration VIII
Hi MoyMarian;
The formula for the Volume V of a cone is
So:
Solve for the the radius r
The bottom of a cone is a circle with Area A
Plug in and solve
Last edited by bobbym (2009-05-22 16:30:16)
In mathematics, you don't understand things. You just get used to them.
If it ain't broke, fix it until it is.
Always satisfy the Prime Directive of getting the right answer above all else.
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