Across
- 2. Type of angle pair that shares a vertex; formed when two lines intersect
- 5. A statement that has to be proven true
- 6. Opposite of convex
- 7. Two angles that sum to 180 degrees
- 8. A simple, closed figure with only segments as sides
- 9. Parallelogram with all sides congruent
- 11. Two angles that sum to 90 degrees
- 13. Quadrilateral with two pairs of adjacent congruent sides
- 15. The interior angle sum of this polygon is 180 degrees
- 16. A triangle with no congruent sides
Down
- 1. A triangle with at least two congruent sides
- 2. The point where two sides of a polygon meet
- 3. Convex polygons that are both equilateral and equiangular
- 4. Quadrilateral with two pairs of opposite parallel sides
- 10. The interior angle sum of this type of polygon is 360 degrees
- 11. A polygon where a segment connecting any two points in the interior of the polygon is contained entirely in the interior
- 12. Two angles that share a ray
- 14. Quadrilateral with one pair of opposite parallel sides
