# Geometry

##### Across
1. 3. middle point within a circle
2. 4. geometric tool used to draw circles and parts of circles
3. 7. triangle with no congruent sides
4. 9. parallelogram with congruent sides
5. 10. an example for which the conjecture is incorrect
6. 14. rise over run
7. 15. lines that intersect to form right angles
8. 18. same shape, different size
9. 20. two angles whose measures have sum of 180
10. 21. any quantity with magnitude and direction
11. 22. reasoning based on logic
12. 24. angles whose sides are opposite rays (measures are congruent)
13. 25. quadrilateral with one pair of parallel sides
14. 28. angle whose vertex is the center of a circle or regular polygon
15. 29. distance from the center to a vertex of a regular polygon
16. 30. angles with a common side and vertex
17. 31. a segment that joins two midpoints
18. 32. "flip"
19. 33. theorem used to find missing lengths in right triangles
20. 35. non-coplanar lines that do not intersect
21. 36. parallelogram with congruent sides, all angles are 90 degrees
22. 37. "turn"
23. 38. quadrilateral with no parallel sides
24. 41. a trigonometry ratio that works because the slope of any angle does not change
##### Down
1. 1. a series of infinite points
2. 2. perpendicular distance from the center to a side of a regular polygon
3. 5. part of a line with two endpoints
4. 6. coplanar lines or planes that do not intersect
5. 7. a trigonometry ratio that works because the ratio between the rise and the hypotenuse for any angle does not change
6. 8. a trigonometry ratio that works because the ratio between the run and the hypotenuse for any angle does not change
7. 9. parallelogram with congruent diagonals
8. 10. two angles whose measures have sum of 90
9. 11. quadrilateral with two pairs of parallel sides
10. 12. a line, ray, or segment that intersects an angle, line or segment at the midpoint
11. 13. formed by two rays with the same endpoint
12. 16. angle whose measure is 90 degrees
13. 17. trapezoid or triangle with at least two congruent sides
14. 19. a point that divides a segment into two congruent segments
15. 20. ruler with no markings
16. 23. "slide"; maps all points of a figure the same distance in the same direction
17. 26. reasoning based on patterns
18. 27. a closed plane figure with at least 3 sides
19. 28. equal
20. 31. a segment whose endpoints are a vertex and the midpoint of the opposite side
21. 34. a perpendicular segment from a vertex to the line containing the opposite side
22. 39. a location
23. 40. a part of a line that extends in one direction