Across
- 3. 60 minutes
- 4. "a+b=b+a"
- 6. line that intercepts a circle in 2 points, containing a chord
- 9. polygon that appears to have a piece missing (segment connecting each pair of points may lie inside the figure)
- 12. little circle inside a big circle that shows a relationship
- 14. three possibilities property
- 15. two lines that don't lie in the same plane or intersect
- 16. zero-dimensional spot represented by a dot
- 17. "If a, then b"
- 23. quadrilateral with all equal sides
- 25. SAS inequality
- 26. perpendicular segment connecting the center to the side of a polygon
- 27. where a triangle's medians are trisected
- 28. four sections of coordinate plane separated by axes
- 30. "a to b"
Down
- 1. three-dimensional circle
- 2. polygonal sides of a polyhedron
- 4. "If not b, then not a"
- 5. top of a pyramid
- 6. acronym for triangle ratios
- 7. when a figure looks the same upside-down
- 8. half the perimeter
- 10. when one circle contains all of a figure's vertices
- 11. when a line and a circle intersect at exactly one point
- 13. line that intersects 2+ parallel lines
- 18. transformation where figure and its image are congruent
- 19. segment in a cylinder that joins the centers of the two bases
- 20. used to prove triangles congruent using two angles and their included side
- 21. two-dimensional shape bounded by line segments
- 22. ratio of a circle's circumference to its diameter
- 24. volume of a prism
- 25. longest side in a right triangle
- 29. equilateral and equiangular