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Probability
Triangular Cubes (
Posted on 20041204
)
Three points have been chosen randomly from the vertices of a cube. What is the probability that they form (a) an acute triangle; (b) a right triangle?
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Submitted by
Erik O.
Rating:
3.0000
(2 votes)
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i c it this way
 Comment 4 of 11 
B) 3/7 : ON EACH SIDE THERE ARE 4 POSSIBLE RIGHT ANGLED TRIANGLES, TOTAL=24
DIViDE BY 56 POSSIBLE 24/56= 3/7
A) THE REST IS ACUTE i.e. 4/7
am i wrong???
ady
Posted by
Ady TZIDON
on 20041205 07:53:06
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