Across
- 2. A succinct statement of a theorem regarding congruent triangles
- 3. Concerned with the relative lengths of the two segments that a triangle's side is divided into by a line that bisects the opposite angle
- 5. "if" "then" statement switched
- 6. Reasoning in which the premises seek to supply strong evidence for the truth of the conclusion
- 9. A triangle with all congruent sides
- 10. A (non self-intersecting) quadrilateral with two pairs of parallel sides
- 11. Two angles that add up to 180 degrees
- 14. Angles having a common vertex and a common side
- 15. The middle number in organized data
Down
- 1. A plane figure with ten straight sides and angles
- 2. When two lines are crossed by another line, the angles in matching corners
- 4. An exception to a proposed general rule or law
- 7. Two lines which meet at a right angle (90 degrees)
- 8. A part of a line that begins at a particular point and extends endlessly in one direction
- 12. Angle smaller than 90
- 13. Side side side