Geometric Terms

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Across
  1. 3. Two lines in a two-dimensional space that do not meet a parallelogram has two sets of parallel lines
  2. 5. a segment, line, or plane that intersects at its midpoint
  3. 9. a 90 degree angle
  4. 12. Also known as corner/corners the point at which two sides of a two-dimensional figure or two edges of a three-dimensional figure meet
  5. 15. An informal word to describe angles of objects
  6. 18. Having curvy or undulating attributes
  7. 20. if A,B and C are collinear points and B is between A and C, then AB + BC= Ac
  8. 23. A closed four-sided figure with parallel opposite sides sometimes called a diamond
  9. 24. a location with no size or shape
  10. 25. points that lie on the same line
  11. 27. an angle less than 90 degrees but greater than 0 degrees
  12. 30. Identical in size and shape
  13. 31. A special type of rectangle that has equilateral (same length) sides and parallel opposite sides
  14. 32. The meeting of two faces on a three-dimensional shape
  15. 33. flat surface made up of points and extends indefinitely in all directions
  16. 34. A closed figure with seven sides
  17. 36. A specific position on a line, plane, or in space
  18. 37. A closed figure with eight sides
  19. 38. A closed figure with three sides
  20. 40. one part of a line
  21. 41. if two segments have the same length, then they are congruent
Down
  1. 1. two lines that never intersect
  2. 2. Without a curve
  3. 4. A closed figure with six sides
  4. 6. a lie that extends indefinitely in one direction
  5. 7. intersection of two rays at an endpoint
  6. 8. Line segments in geometric figures that compose the exterior of the object
  7. 10. A closed figure with five sides
  8. 11. a line,segment, or ray perpendicular to a segment at its midpoint
  9. 13. two line segments cross to form 90 degree angles
  10. 14. Surface planes of three-dimensional shapes
  11. 16. Having a plane-like quality
  12. 17. points that line on the same plane
  13. 19. a triangle with one internal angle equal to 90 degrees
  14. 21. a triangle with all sides equal and all angles equal
  15. 22. the formula used to find the distance between two points on coordinate plane
  16. 26. a triangle having three unequal sides and angles
  17. 28. a continuous extent of length
  18. 29. formula used to find the midpoint between two endpoints
  19. 35. Two lines that meet to make a corner
  20. 39. A two-dimensional, closed, four-sided figure with four right angles