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.)
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.)
Elementary Geometry For College Students, 7e
7th Edition
ISBN:9781337614085
Author:Alexander, Daniel C.; Koeberlein, Geralyn M.
Publisher:Alexander, Daniel C.; Koeberlein, Geralyn M.
ChapterP: Preliminary Concepts
SectionP.3: Informal Geometry And Measurement
Problem 9E: Must two different points be collinear? Must three or more points be collinear? Can three or more...
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