1. 6. A five-sided polygon.
  2. 7. A ten-sided polygon.
  3. 9. A four-sided polygon.
  4. 11. Two geometric objects having the same measure.
  5. 14. A line that divides a figure in half so that each half is the mirror image of the other.
  6. 15. A three-sided polygon.
  7. 16. An eight-sided polygon.
  8. 17. A straight one-dimensional figure having no thickness and extending infinitely in both directions.
  9. 18. An angle that measures 90ยบ.
  10. 19. Part of a line that starts at a particular point and extends infinitely far in one direction.
  1. 1. A line that intersects a given segment at right angles and divides it into two equal parts.
  2. 2. A segment that connects two nonadjacent vertices of a polygon.
  3. 3. A set of points on a line consisting of two endpoints and all the points between them.
  4. 4. A nine-sided polygon.
  5. 5. A six-sided polygon
  6. 8. A seven-sided polygon.
  7. 10. A common endpoint of two sides of a polygon or an angle.
  8. 12. A series of connected line segments that starts and ends at the same place and does not intersect itself anywhere in between.
  9. 13. The distance around a figure.
  10. 14. A figure formed by two line segments or rays with a common endpoint.