Area of the ring between two concentric circles

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Fri, 11/12/2010 - 19:10
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Find the area of the ring between two concentric circles, if the chord of the bigger circle that is tangent to the smaller one has the length of 2010.

My asnwer is pi*(2010/2)^2, I am not sure if I am correct.

-Ionut


 


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Sat, 11/13/2010 - 21:47
#1
Romel
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Joined: Jan 25 2009
Re: Area of the ring between two concentric circles

My answer is the same as yours. I draw the figure for the benefit of all readers.

__________________

http://romel.verterra.me/

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Mon, 01/09/2012 - 22:19
#2
Guest
Re: Area of the ring between two concentric circles

In the concentric circle draw a tangent to the smaller circle which is chord of the bigger circle.
then measure the length of this chord that is T. then apply the formula 1/4 * 22/7 *T*T.

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Wed, 02/15/2012 - 09:28
#3
Guest
re:

Great!very useful articles. I write the things I'd like to read about. If anyone else likes it, that's a nice bonus.

onlineselling
www.tulleeho.org

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