Across
- 3. touches circle once
- 5. formed by two radii
- 6. half the diameter
- 8. divdes into two equal parts
- 9. touches circle twice
- 10. a point on a line that divdeds a segment into 2 equal sides
- 11. a^2+b^2=c^2
- 14. 3 sides corresponds
- 16. (x-h)^2+(y-k)^2=r^2
- 17. (1/2)b*h
- 18. half the circle
- 20. could be any number
- 21. the measure of any side is equal to its self
Down
- 1. parallel sides
- 2. 2rpi
- 4. x=y and y=z then x=z
- 7. a line meeting another line at 90' angles
- 12. set of points connected to a centeral angle
- 13. if x=y then x can be substitued
- 15. 6sides
- 19. r^2pi