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Q&A #4046

Teachers' Lounge Discussion: Volume and Surface Area of Cones

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From: Loyd <loydlin@aol.com>
To: Teacher2Teacher Public Discussion
Date: 2002042508:24:32
Subject: Re: surface area of cones and cylinders

On 2002042416:36:00, manning wrote:
>	
>what is the formula used to find the surface area of cones and
>cylinders?
>
>
 From "Handbook of Mathematical Tables and Formulas" by Richard Stevens
Burington, Ph.D, Handbook Publishers, Sanduskey, OH 1948 page 14:

Area of a fustrum of pyramid or cone is:

1/2(sum of perimeters of base)x slant height.  If the upper base is a
point, then you call that perimeter zero.


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