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Balls in the corner


Best Answer BobbyGo, 10 May 2013 - 04:14 PM

Spoiler for

Go to the full post


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#1 BMAD

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Posted 09 May 2013 - 09:19 PM

A big ball (of diam 7 ft) just touches three walls, and a little ball touches three walls and the big ball. What's the diameter of the little ball?

Assume that the balls are spheres and therefore only touch at a single point.

 

 


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#2 bonanova

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Posted 10 May 2013 - 10:40 AM

I'm thinking one of the walls must be the floor.
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#3 TimeSpaceLightForce

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Posted 10 May 2013 - 12:23 PM

No ceiling .. and the big ball also touches the small ball.


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#4 BMAD

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Posted 10 May 2013 - 01:45 PM

I meant the ceiling as a wall. of course they are on the floor too
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#5 BobbyGo

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Posted 10 May 2013 - 04:14 PM   Best Answer

Spoiler for


Edited by BobbyGo, 10 May 2013 - 04:17 PM.

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