Geometry Vocab

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