Trig Vocabulary Daisy Hensley

1. one of the two rays with a common endpoint that form an angle
2. formed by rotating a ray around its endpoint
5. an angle measuring exactly 90 degrees
6. opposite angles formed by intersecting lines
7. side of length y
9. triangles that are both the same shape and the same size
10. the positive acute angle made by the terminal side of an angle and the x-axis
12. angle formed by counterclockwise rotation around its endpoint
13. an angle measuring exactly 180 degrees
14. an angle measuring between 0 degrees and 90 degrees
17. the angle formed by the line of sight and the horizontal plane for an object below the horizontal
19. the sum of two positive angles equals 180 degrees
23. a number that represents the result of counting, or a number that results from theoretical work and is not result of a measurement
24. the ray, in its starting position, when rotated around its endpoint to form an angle
25. the endpoint of the ray that is rotated to form the angle
26. the function pairs sine and cosine, tangent and cotangent, and secant and cosecant
27. an angle measuring more than 90 degrees, but less than 180 degrees

1. a digit obtained by actual measurement
3. angle formed by clockwise rotation around its endpoint
4. the ray, in its location after rotation, when rotated around its endpoint to form an angle
8. angles in standard position whose terminal sides lie on the x- or y- axis
9. the sum of two positive angles equals 90 degrees
11. side of length x
15. a unit of measure for angles, 1/360 of a rotation
16. angles whose measures differ by a multiple of 360 degrees
18. triangles that are the same shape, but not necessarily the same size
19. when the vertex of an angle is at the origin and its initial side lies on the positive x-axis
20. 1/60 of a degree
21. the angle formed by the line of sight and the horizontal plane for an object above the horizontal
22. 1/60 of a minute