Across
- 3. a piece or part of a line having two endpoints
- 4. a figure that has three sides and three angles
- 5. A figure formed by two line segments or rays with a common endpoint
- 8. A ten-sided polygon
- 9. Two geometric objects having the same measure
- 16. An angle that measures 90ยบ
- 19. A line that divides a figure in half so that each half is the mirror image of the other
- 20. a polygon with 5 sides and 5 angles
Down
- 1. A seven-sided polygon
- 2. a closed two-dimensional figure composed of straight-line segments that meet at their endpoints
- 6. a straight set of points that extend in opposite directions
- 7. a two-dimensional shape with four sides, four vertices, and four angles
- 10. A nine-sided polygon
- 11. A six-sided polygon
- 12. A segment that connects two nonadjacent vertices of a polygon
- 13. The distance around a figure
- 14. A common endpoint of two sides of a polygon or an angle
- 15. a line that divides a line or an angle into two equivalent parts
- 17. An eight-sided polygon
- 18. a line with an endpoint that extends infinitely in one direction