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