math
Across
- 2. line segment which intersects the circle at two points
- 8. circle whose radius is one unit
- 9. arc greater than 180 degrees
- 10. less than 90 degrees
- 12. 3.14159
- 13. ray from which the rotation ends
- 14. branch of mathematics which deals with triangles
- 17. angle whose vertex is on the circles
- 19. austrian mathematician and astronomer in the european revival of the technical understanding of ideas
- 24. measure of the central angle that subtends an arc equal to the length of the radius
- 25. ray from which the rotation starts
- 27. line w/c intersects the circle at one point only
- 28. generated by a ray rotating about a point
- 30. ε
Down
- 1. any part of a circle
- 3. is a line segment from the center of the circle to any point of the circle
- 4. set of points w/c equidistant to a fixed point, center
- 5. founder of trigonometry of bythnia
- 6. greek word for three angle
- 7. made by rene descartes
- 11. greek word measure
- 15. usually known as the almagest
- 16. 360 degrees
- 18. line segment that divides the circle into w congruent semicircles
- 20. the positive acute angle formed between the terminal side of an angle and the x-axis.
- 21. angles whose vertex is the center of the circle
- 22. θ
- 23. angle which is 90 degrees
- 26. unit used for angle measurement
- 29. line that interacts the circle at two points