Geometry Vocab

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Across
  1. 4. two angles whose measures sum is 180 degrees
  2. 5. a parallelogram with four equal sides
  3. 6. two lines that cross at one point
  4. 9. parallel to the horizon, east to west
  5. 10. perpendicular to the horizon, north to south
  6. 11. an angle with a measure of exactly 90 degrees
  7. 14. a particular place in space
  8. 15. a polygon with four sides
  9. 18. a polygon with eight sides
  10. 19. the PLURAL form of a segment that has one endpoint at the center and the other endpoint on the circle
  11. 20. two angles whose measures sum is 90 degrees
  12. 23. an angle with a measure of greater than 90 degrees but less than 180 degrees
  13. 24. a quadrilateral with both pairs of opposite sides parallel
  14. 26. a parallelogram with four right angles and four congruent sides
  15. 27. a polygon with six sides
  16. 28. a segment that passes through the center of a circle and has both endpoints on the circle
Down
  1. 1. a geometric tool used to draw circles and arcs
  2. 2. the point that divides a segment into two congruent segments
  3. 3. having the same size and shape
  4. 7. a three-dimensional figure
  5. 8. the perimeter of a circle
  6. 12. a polygon with three sides
  7. 13. two lines that intersect at right angles
  8. 14. a closed plane figure formed by three or more line segments that do not cross
  9. 16. a collection of points lying in one plane, extending forever in two directions
  10. 17. the number of cubic units needed to fill the space inside a three-dimensional figure
  11. 21. two lines lying in the same plane that do not intersect
  12. 22. an angle with a measure of less than 90 degrees
  13. 25. a segment that connects two vertices that are not next to each other