Across
- 4. A parallelogram with four congruent sides
- 9. A line that is perpendicular to a segment at its midpoint
- 11. A polygon in which all sides are congruent
- 12. A point is equidistant from two figures when it is the same distance from each figure.
- 13. A segment that joins two nonconsecutive vertices of a polygon
- 14. A ray that divides an angle into two angles that are congruent
- 16. A segment from a vertex of a triangle to the midpoint of the opposite side
- 18. A quadrilateral that has two pairs of consecutive congruent sides, but opposite sides are not congruent
Down
- 1. A polygon in which all angles are congruent
- 2. The point of concurrency of the lines containing the altitudes of a triangle
- 3. A quadrilateral with both pairs of opposite sides parallel
- 5. A parallelogram with four right angles
- 6. The point of concurrency of the three medians of a triangle
- 7. The perpendicular segment from a vertex of a triangle to the opposite side or to the line that contains the opposite side
- 8. The point of concurrency of the three perpendicular bisectors of a triangle
- 10. A parallelogram with four congruent sides and four right angles
- 15. A quadrilateral with exactly one pair of parallel sides
- 17. The point of concurrency of the angle bisectors of a triangle
