Across
- 1. angles opposite each other when two lines cross
- 3. and angle smaller than a right angle
- 4. ray where measurement of an angle starts
- 6. an angle of 180 degrees
- 7. the measurement of an angle
- 8. an angle in standard position whose terminal ray lies along one of the axes
- 11. function pairs sine and cosine, tangent and cotangent, and secant and cosecant
- 12. an angle measurement equal to 1/60 of a degree
- 14. either of two angles whose sum is 180 degrees
- 15. angle I standard position that have a common terminal side
- 17. angle formed by the line of sight and the horizontal plane for an object below the horizontal
- 20. a way of measuring an angle from a different direction
- 21. an angle with its vertex is a t the origin and whose initial rays lie along the positive x-axis
- 26. an angle at 90 degrees
- 28. angle formed by the line of sight and the horizontal plane for an object above the horizontal
Down
- 1. point where two lines or line segments meet or intersect
- 2. side with common vertex and don’t overlap, next to the given side
- 5. triangles whose angles are the same measurements and lengths
- 9. an angle created by rotating counter-clockwise around the origin
- 10. stationary straight line that contains a point about which another straight line is rotated to form an angle
- 11. either of two angles whose sum is 90 degrees
- 13. opposite side of given side
- 16. the positive acute angle made by the terminal side of an a angle
- 18. each number that are used to express it to the required degree of accuracy, starting from the first nonzero digit
- 19. triangles whose corresponding angles are the same, but whose corresponding sides may be different
- 22. ray on the x-axis
- 23. written as 1’’
- 24. an angle that measures more than 90 degrees but less than 180
- 25. number that represent the results of counting, or a number that results from theoretical work and is not the result of a measurement
- 27. the space between two intersecting lines or surfaces at or close to the point where they meet
