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Mathematics 22 Online
OpenStudy (anonymous):

GEOMETRY ! : If one ray contains another ray , are they the same ray ? ... Explanation please ? i Don't understand ...

OpenStudy (anonymous):

Not necessarily. A ray is a line that begins at a definite point and extends in the other direction infinitely. If we had two rays pointing in the same direction with different endpoints, wouldn't they contain each other in some sense, since they both extent infinitely?|dw:1345767907635:dw|

OpenStudy (anonymous):

extend*

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