Geometry Vocab

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