probability

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jagdish
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probability

Unread post by jagdish » Thu Jan 20, 2011 3:06 pm

Three distinct vertices are randomly chosen among the vertices of cube. The probability that they are the vertices of equilateral triangle is
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kfoozminus
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Re: probability

Unread post by kfoozminus » Tue Dec 18, 2012 5:27 pm

$\frac{8}{^8C_3}$

Untitled.png
here're shown 3 triangles out of 8
Untitled.png (16.58 KiB) Viewed 1340 times

jagdish
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Re: probability

Unread post by jagdish » Thu Feb 07, 2013 11:59 am

Thanks kfoozminus
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Mathlomaniac
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Re: probability

Unread post by Mathlomaniac » Sat Mar 10, 2018 10:25 pm

mathlomaniac wrote: [/tfrac{8}{8C3}]

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