Across
- 4. quadrilateral with all sides equal
- 6. quadrilateral with four right angles
- 8. perpendicular segment from a vertex to the opposite side
- 12. point where the medians of a triangle meet
- 14. center of a circle that passes through all vertices
- 15. point where the altitudes of a triangle meet
- 17. line that divides an angle into two equal parts
- 18. quadrilateral with one pair of parallel sides
Down
- 1. line that cuts a segment in half at ninety degrees
- 2. having all sides equal
- 3. quadrilateral with both pairs of opposite sides parallel
- 5. quadrilateral with equal sides and right angles
- 7. quadrilateral with two pairs of equal adjacent sides
- 9. same distance from two or more points
- 10. segment from a vertex to the midpoint of the opposite side
- 11. center of a circle inside a triangle
- 13. segment connecting opposite vertices
- 16. having all angles equal