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11 Cards in this Set
- Front
- Back
- 3rd side (hint)
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Point |
has no size. Names an exact location in space |
named with a single letter |
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Line |
has length only |
2 points it contain |
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Plane |
a flat surface. It has length and width, but no thickness |
3 points it contains that are not on the same line |
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Collinear |
describes points on the same line |
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Coplaner |
describes points in the same plane |
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Segment |
part of a line consisting of 2 points and all the points between them |
names by the 2 points in either order |
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Ray |
line with 1 endpoint. It extends forever in 1 direction |
names by 2 points. order does matter |
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Opposite rays |
have a common endpoint and form a line |
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congruent |
same size and shape |
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segment bisector |
a line, segment, or Ray that intersects a segment at its midpoint |
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Postulate |
a statement accepted as true without proof |
Example: Through any 2 points there is exactly 1 line |
