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geometrycards
card`s``
| Term | Definition |
|---|---|
| Coplanar | Lie on same plane |
| Collinear | Lie on same line |
| Ray | Consists of an endpoint |
| Segment | Part of the line that consists of two points called endpoints |
| Line | Has one dimension and extends in two directions. |
| Non-Collinear | Doesn't lie on same line |
| Non-Coplanar | Doesn't lie on same plane |
| Congruent≅ | same size or same shape |
| angles | consists of two rays with the same endpoint |
| postulate | statement that is assumed to be true |
| Conjecture | an unproven statement |
| Counterexample | shows the conjecture is wrong |
| vertex | A point where a line meets |
| plane | has two dimensions |
| intersection | the intersection of two points that the figures have in common |
| acute | Less than 90° |
| Obtuse | More than 90° |
| Right | Exactly 90° |
| Straight | 180° |