capacity of a barrel

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capacity of a barrel

Postby paulr13 » Tue May 04, 2010 5:25 am

I would like to find the capacity of a barrel 19inches round and 32inches tall
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Re: capacity of a barrel

Postby Dirtman » Tue May 04, 2010 9:03 am

paulr13 wrote:I would like to find the capacity of a barrel 19inches round and 32inches tall


This sounds like homework?

The formula for the volume of a cylinder is: PI * Radius squared * length

Since we used inches, the answer is in in^3 (cubic inches), but I'll assume you want the answer in gallons (US). There are 231 in^3 in 1 gallon (US), so cubic inches / 231 cu. in./gal = gallons (US).
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