Geometry Vocab

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Across
  1. 4. a parallelogram with four right angles and four congruent sides
  2. 6. a polygon with eight sides
  3. 8. an angle with a measure of less than 90 degrees
  4. 9. a closed plane figure formed by three or more line segments that do not cross
  5. 13. perpendicular to the horizon, north to south
  6. 14. a quadrilateral with both pairs of opposite sides parallel
  7. 15. the PLURAL form of a segment that has one endpoint at the center and the other endpoint on the circle
  8. 17. two lines that cross at one point
  9. 18. a polygon with three sides
  10. 23. a triangle with three congruent sides
  11. 25. a polygon with four sides
  12. 26. a parallelogram with four equal sides
  13. 28. having the same size and shape
  14. 29. a collection of points lying in one plane, extending forever in two directions
  15. 30. two angles whose measures sum is 90 degrees
Down
  1. 1. the perimeter of a circle
  2. 2. parallel to the horizon, east to west
  3. 3. a polygon with six sides
  4. 4. a triangle with no congruent sides
  5. 5. two angles whose measures sum is 180 degrees
  6. 7. an angle with a measure of greater than 90 degrees but less than 180 degrees
  7. 10. a three-dimensional figure
  8. 11. two lines lying in the same plane that do not intersect
  9. 12. two lines that intersect at right angles
  10. 14. a particular place in space
  11. 16. an angle with a measure of exactly 90 degrees
  12. 19. the point that divides a segment into two congruent segments
  13. 20. a segment that passes through the center of a circle and has both endpoints on the circle
  14. 21. a geometric tool used to draw circles and arcs
  15. 22. a segment that connects two vertices that are not next to each other
  16. 24. a triangle with two congruent sides
  17. 27. the number of cubic units needed to fill the space inside a three-dimensional figure