Trigonometry Vocabulary

2. segment- the portion of the line between the two points
8. the sum of the measures of two positive angles are 90 degrees
12. angle- an angle measuring greater than 0 degrees but less than 90 degrees.
13. the angles in which sum up to 180 degrees
15. angle- an angle measuring exactly 180 degrees
17. is opposite the right angle.
18. the portion of line that starts at one point and extends to infinity.
21. a counterclockwise rotation of 360
23. theorem- relates to the sides of a right triangle.
24. ray- the ray in its original position or initial side

1. of the ray- Point A
3. triangle- has three equal sides and therefore has three equal angles (60)
4. angle- a 90 degree angle
5. the straight path connection two points and extending beyond the points in both directions.
6. the sum of measures of two positive angles which result in 180 degrees.
7. ray- the ray after it is rotated or the terminal side
9. angle- an angle measuring greater than 90 degrees , but less than 180 degrees
10. A right angle is often represented by the adjacent
11. triangle- has two equal sides (legs) and therefore has two equal angles opposite those legs.
14. the angles in which sum up to 90 degrees
16. formed when two rays share the same endpoint.
19. angles- angles of equal measure that are opposite one another and share the same vertex.
20. common endpoint
22. triangle- a triangle in which one of the angles is a right angle(90).