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OpenStudy (anonymous):
Four points are placed on a circle. How many segments will it take to connect each point to every other point?
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OpenStudy (anonymous):
6. \[ \frac{n\times (n-3)}{2} \]
OpenStudy (asnaseer):
Depends on what you mean by "segments". If you mean "how many line segments" then FoolForMath is correct. Here is a drawing of this problem: |dw:1336411191975:dw|
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