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Index
 »Â
Geometry
 »Â
Chapter 1
 »Â
Level 1
level: Level 1
Questions and Answers List
level questions: Level 1
Question
Answer
references a location in space; it has no length, width, or depth
Point
a collection of points arranged in a straight path
line
a flat surface that has infinite length and width but no thickness
plane
a part of a line that consists of any two points on the line and all points in between these to points
line segment
a part of a line that extends infinitely in one direction
ray
points that lie on the same line
collinear
points that do not lie on the same line
noncollinear
points that lie on the same plane
coplanar
mathematical statements that are accepted as true without proof
postulate
mathematical statement that has been proven to be true
theorem
a clear, logical structure of reasoning that begins from accepted ideas and proceeds through logic to reach a conclusion
proof