Across
- 4. triangle with 90 degree angle
- 5. a triangle with at least two sides congruent
- 8. a polygon with all sides and angles congruent
- 9. two angles that add up to 90
- 10. a series of points that extend in opposite directions
- 12. a point that divides a segment in half
- 13. nine-sided polygon
- 14. two noncoplanar lines that do not intersect
- 15. angles across from each other and equal
Down
- 1. triangle with no sides congruent
- 2. triangle with one angle over 90
- 3. same size and shape
- 6. part of a line made up of 2 endpoints and the points between them
- 7. two angles that add up to 180
- 9. a line segment with endpoints on circumference of circle
- 11. to divide in half