Discussion about math, puzzles, games and fun. Useful symbols: ÷ × ½ √ ∞ ≠ ≤ ≥ ≈ ⇒ ± ∈ Δ θ ∴ ∑ ∫ • π ƒ ¹ ² ³ °
 

You are not logged in. #1 20130222 22:18:29
centroidswe have been studying centroids,circumcentre ,orthocentre ,incentre etc etc .. friendship is tan 90°. #2 20130222 22:21:18
Re: centroidsOne use of a centroid is that it tells you the location of the triangle's centre of mass, if the mass is of uniform density. #3 20130223 02:40:24
Re: centroidsHi; In mathematics, you don't understand things. You just get used to them. I have the result, but I do not yet know how to get it. All physicists, and a good many quite respectable mathematicians are contemptuous about proof. #5 20130226 21:43:20
Re: centroidsthanx friendship is tan 90°. #6 20130226 21:55:23
Re: centroidsHi; In mathematics, you don't understand things. You just get used to them. I have the result, but I do not yet know how to get it. All physicists, and a good many quite respectable mathematicians are contemptuous about proof. 