Cumulative Assessment
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We begin with the term point as we need it to build the other terms.
To build a segment we need two points. The segment has the points as endpoints.
We can build a ray from the segment. The ray has one endpoint and continues indefinitely in the other direction.
By letting the ray continue indefinitely in both directions, we get a line.
Finally, to create a plane, we need a third point that is not on the line AB.
