Bellwork Pick up a bellwork paper at the front of the room. Without using a book, tell me what you think these terms mean. 1. Point. 2. Line. 3. Plane.
1-3 Points, Lines, and Planes Point: - has no size. - is represented by a small dot. - named by a single capital letter. Line: - a series of points that extends in two opposite directions without end. - named by two points on the line or a single lower case letter. Collinear points: - points that are on the same line.
Plane: - a flat surface. - has no thickness. - contains many lines. - extends without end in the directions of all its lines. - named by a single capital letter or by at least three noncollinear points. Coplanar: - points and lines that are in the same plane.
1-3 Points, Lines, and Planes
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