goodyhi11 Posted January 16, 2005 Share Posted January 16, 2005 Greeting people, Problems of the day: For what nonzero value of r, the radius, is the circumference of a circle numerically equal to its area? Thanks! Link to comment Share on other sites More sharing options...
beck86nj Posted January 16, 2005 Share Posted January 16, 2005 Set the formula for circumference equal to the formula for area. Solve. Link to comment Share on other sites More sharing options...
budullewraagh Posted January 16, 2005 Share Posted January 16, 2005 pi*r^2=pi*d r^2=d 2^2=4 the answer is 2...this wasn't advanced :\ took me like 5 seconds to determine what formula to do, 3 seconds to figure out how to do it and maybe 5 seconds to do the work Link to comment Share on other sites More sharing options...
Dave Posted January 17, 2005 Share Posted January 17, 2005 Try not to gloat too much over things like that. What may seem quite trivial to you can be very advanced to someone else. I daresay you'd probably find some of the metric spaces work I'm doing at the moment a bit "advanced" Link to comment Share on other sites More sharing options...
budullewraagh Posted January 17, 2005 Share Posted January 17, 2005 perhaps i overreacted. i do not have a particular affinity for mathematics:\ perhaps the whole "experts only" thing was the thing that set me off Link to comment Share on other sites More sharing options...
Dave Posted January 18, 2005 Share Posted January 18, 2005 No problem, just try and bear it in mind. Link to comment Share on other sites More sharing options...
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