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Geometry – Ch1 Vocabulary Crossword Clues Down: 1. A conclusion you reach using inductive reasoning 2. Coplanar lines that do not intersect 3. An angle more than 90 degrees 4. An example for which a conjecture is incorrect 5. An angle less than 90 degrees 6. When two lines intersect to form right angles 9. A flat surface that has no thickness Across: 1. Points that lie on the same line 7. The part of a line consisting of two endpoints and all the points that lie between them 8. The part of a line consisting of one endpoint and all of the points that lie on one side of the endpoint Geometry – Ch1 Vocabulary Crossword Clues Down: 1. A conclusion you reach using inductive reasoning – conjecture 2. Coplanar lines that do not intersect – parallel 3. An angle more than 90 degrees – obtuse 4. An example for which a conjecture is incorrect – counterexample 5. An angle less than 90 degrees – acute 6. When two lines intersect to form right angles – perpendicular 9. A flat surface that has no thickness – plane Across: 1. Points that lie on the same line – collinear 7. The part of a line consisting of two endpoints and all the points that lie between them – segment 8. The part of a line consisting of one endpoint and all of the points that lie on one side of the endpoint – ray