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Posted: **Sat Jul 09, 2022 1:56 pm**

: 3 Prove That If P Q And R Are Three Points On A Line Then Exactly One Of The Points Is Between The Other Two This 1 (11.12 KiB) Viewed 19 times

3. Prove that if P, Q, and R are three points on a line, then exactly one of the points is between the other two. (This can be done using a coordinate system on the line.)