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#1 Help Me ! » combination and permutation problem » 2009-05-30 15:38:23
- bhupinder kaur gill
- Replies: 4
There is a polygon with 10 sides. A point is there in the middle of the polygon and all the vertices are joined with the point and therefore producing 10 triangles. In exactly how many ways can you select three triangles no two of which are adjacent.
A) 112
B) 120
C) 468
D) 710
E) None of these
please tell how to figure out this??????????????
please please
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