Across
- 4. a triangle with two congruent sides
- 6. a triangle with all sides congruent
- 8. the point of concurrency of the perpendicular bisectors of a triangle
- 13. a ray that divides an angle into two congruent angles
Down
- 1. line, point or plan that intersect a segment at it's midpoint
- 2. three or more lines intersecting at the same point
- 3. two lines intersecting at a 90 degree angle
- 5. a triangle with no congruent sides
- 7. a triangle with no angles greater than or equal to 90 degrees
- 9. a triangle with three congruent angles
- 10. an isosceles triangle has this many congruent angles
- 11. the point of concurrency of the angle bisectors of a triangle
- 12. a triangle with a single angle greater than 90 degrees