Across
- 2. turning a figure about a fixed point
- 4. Event in which the first event or second event occur
- 9. to divide into two equal parts
- 10. event in which both first and last event occur
- 12. length of circle
- 15. the number of squares units needed to fill up a flat surface
- 16. transformation that maintains the shape of the figure
- 19. distance around a 2-dimensional object exterior
- 20. a point that divides a line segment in two equal parts
Down
- 1. All the outcomes that are not in the original event
- 3. sliding a figure to a new location
- 5. angle in center of circle
- 6. angle inside the circle
- 7. formed by two radii of a central angle and the arc
- 8. line with both endpoints
- 11. a line meeting another at a right angle
- 13. set of points a fixed distance from a center
- 14. half length of circle
- 17. being exactly the same overlapping
- 18. rigid transformation that involves flipping a figure over a line