Across
- 5. a polygon with three sides
- 6. a line that intersects a circle in exactly one point
- 8. two geometric figures that have exactly the same size and shape
- 9. two lines that do not intersect and are coplanar
- 10. all angles are congruent
- 12. set of all points in a plane that are equidistant from a given point called the center
- 15. a movement or change that produces a new figure called the image
- 17. ratio of the vertical change to the horizontal change
- 18. all sides are congruent
- 21. represented by a shape that looks like a floor or a wall
- 26. a quadrilateral with both pairs of opposite sides parallel
- 27. a quadrilateral with exactly one pair of parallel sides
- 28. a chord that contains the center of the circle
- 29. a line that intersects a circle in two points
- 30. two lines that do not intersect and are not coplanar
Down
- 1. a line segment that joins two nonconsecutive vertices
- 2. a solid that is bounded by polygons called faces that enclose a single region of space
- 3. a line that intersects two or more coplanar lines at different points
- 4. represented by a dot
- 7. two angles whose sum is 180 degrees
- 8. a segment whose endpoints are on the circle
- 11. the distance around a circle
- 13. two angles whose sum is 90 degrees
- 14. consists of two different rays with the same endpoint
- 16. a polygon that is both equilateral and equiangular
- 19. point that divides a segment into two congruent segments
- 20. two polygons whose corresponding angles are congruent but corresponding side lengths are proportional
- 22. two angles that share a common vertex and side
- 23. a closed plane figure that is formed by three or more line segments
- 24. a segment whose endpoints are the center and any point on a circle
- 25. represented by a line with two arrowheads and extends without end