Across
- 6. a line segment connecting a vertex to the midpoint of the opposite side
- 7. half circle
- 9. an angle formed when two lines or radii meet at the center of the circle
- 12. a pair of non adjacent angles made when two lines intersect
- 15. a polygon with one or more interior angles more than 180 degrees
- 17. event finding the probability of more than one event
- 18. triangle triangle less than 90 degrees
- 20. a truth without exact proof
Down
- 1. identical, the same
- 2. segment connecting the 2 sides of a triangle
- 3. the distance around a circle
- 4. bisector cuts angle into 2 congruent angles
- 5. exact half of a circle
- 8. circles with a common center
- 10. the shape made when a solid is cut through parallel
- 11. segment connecting the 2 sides of a triangle
- 13. a line segment connecting two points on a curve
- 14. how much space inside of a solid figure
- 16. a portion of the circumference
- 19. angle either of the angles of a triangle that have one side in common with the base