SOLUTION: Eleven points are equally spaced on a circle. How many ways can 5 of these points be chose as the vertices of a pentagon?

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Question 1201831: Eleven points are equally spaced on a circle.
How many ways can 5 of these points be chose as the vertices of a pentagon?
Answer by greenestamps(13200) About Me  (Show Source):
You can put this solution on YOUR website!


Since the 11 points are on a circle, no three of them can be collinear, so there is no restriction on which of the 5 points can be chosen. So

ANSWER: C(11,5) = 462