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Q: Surface area of cone ( Answered 5 out of 5 stars,   0 Comments )
Subject: Surface area of cone
Category: Science > Math
Asked by: torrey2-ga
List Price: $2.00
Posted: 20 Jul 2004 17:32 PDT
Expires: 19 Aug 2004 17:32 PDT
Question ID: 376904
To the nearest hundredth, find the surface area of a cone whose slant
height is 9 cm and that has a base with radius 6 cm
Subject: Re: Surface area of cone
Answered By: deadlychiapet-ga on 20 Jul 2004 18:20 PDT
Rated:5 out of 5 stars
Hi there,

The equation for the surface area of a cone (not including the base)
is A=Pi*r^2+Pi*r*s where Pi=3.14159, r=radius, and s=slant height. If
you have the height instead of the slant height you can use the
equation A=Pi*r*(r+(r^2+h^2)^(1/2))

So, for your equation:


Additional resources:
Surface Area of a Cone - WebCalc

Deriving the Surface Area of a Cone

Math Question #39 - Surface area of a Cone

Hope that answers your question! If not, please feel free to ask for clarification.


Search terms used:
cone surface area
torrey2-ga rated this answer:5 out of 5 stars

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