Q&A #4046

Teachers' Lounge Discussion: Volume and Surface Area of Cones

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From: Loyd

To: Teacher2Teacher Public Discussion
Date: 2002042509:24:32
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
 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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