Across
- 4. The side of an angle from which the rotation begins
- 6. The union oftwo rays with a common vertex
- 8. starting point and all points extend in one direction from starting point
- 10. a plane with two perpendicular interesting line
- 13. Altering the terminal side around
- 14. A unit of measure for angles
Down
- 1. Goes counterclockwise from initial side
- 2. location of an angle where vertex lies at the origin of initial side
- 3. Two angles that add up to 180 degrees or one pi
- 5. One of four regions in the coordinate plane
- 7. A unit of measure for angles
- 9. The side of and angle after rotation; final position
- 11. The common end point of two rays
- 12. The part of the circle that equals one radian
- 15. Goes clockwise from initial side
