Geometry Vocabulary

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Across
  1. 4. Figures that have the same shape but no necessarily the same size are considered what?
  2. 5. an angle that has a measurement less than 90 degrees
  3. 7. a figure with three sides and three angles
  4. 9. if you can add the degrees of the two angles in order to get exactly 180 degrees, then the angles are considered what?
  5. 10. when two angles share a common vertex, a common side, and do not overlap, then they are?
  6. 11. a quadrilateral with both pairs of opposite sides parallel and congruent
  7. 14. if you can add the degrees of the two angles in order to get exactly 90 degrees, then the angles are considered what?
  8. 17. an angle that has a measurement between 90 degrees and 180 degrees
  9. 19. when you move the figure without turning it
Down
  1. 1. a simple, closed figure formed by three of more straight line segments
  2. 2. the point at which the sides of an angle meet
  3. 3. a closed figure with four sides and four angles
  4. 4. an angle that has a measurement of exactly 180 degrees
  5. 6. a triangle that has three congruent sides
  6. 8. maps one figure onto another
  7. 12. is a mirror image of the original figure
  8. 13. has two sides that share a common endpoint and is measure by degrees
  9. 15. space occupied by a shape
  10. 16. an angle that has a measurement of 90 degrees
  11. 18. quadrilateral with exactly one pair of parallel lines
  12. 20. a triangle that has no congruent sides