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#1 2008-07-08 09:40:52
- ru2a
- Guest
riddle
a dog is tied with a chain from the outter wall of a building which is circuit ... the radius of this building is 10 m ... if you know that the dog can walk half the distance of the building (( have the circumeferece )) ... then what is the area that the dog can safe in that situation ?!
i mean what is the maximum area that dog can go while it is tied ?!
#2 2008-07-08 09:53:21
- ru2a
- Guest
Re: riddle
i forgot to say that the final answer is 2580 ... but how ?!
#3 2008-07-08 21:23:10
- jhon
- Guest
Re: riddle
unfortunatley i couldnt reach to the final answer !!! ... i wish that other members could help you !
#4 2008-07-08 22:08:33
- MathsIsFun
- Administrator
- Registered: 2005-01-21
- Posts: 7,711
Re: riddle
May have similarities to this one: http://www.mathisfunforum.com/viewtopic.php?id=1221
"The physicists defer only to mathematicians, and the mathematicians defer only to God ..." - Leon M. Lederman
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#5 2008-07-09 02:39:37
- ru2a
- Guest
Re: riddle
thanks mathisisfun but i didnt understand that question well as you can see my english is bad 
... could you please ry with me this one ?!