Geometry
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The set of all points collinear to two points is a?

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2009-07-22 04:21:18

By definition, the word "collinear" means that the points lie in

a LINE. The precise manner of line you are talking about

depends upon the geometric frame of reference you are using. For

example, in Euclidean geometry a line defined by two points is

usually taken to be "straight" like the intersection of two planes;

but in Global geometry such as the reality of the Earth's surface,

a line defined by two points is curved. If you fly from New York to

Tokyo, your line of flight is nearly a semicircle; we do not have

the technology to travel "straight" from New York to Tokyo through

the Earth's core.


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