Geometry Vocabulary Crossword

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Across
  1. 1. Lines Two distinct lines that will never intersect.
  2. 4. the common endpoint of the rays forming the angle.
  3. 5. Figures Figures that have the same shape but not necessarily the same size.
  4. 8. An angle that measures exactly 180º
  5. 9. A line that intersects at least two other lines.
  6. 11. Two angles whose sum of their measures is 180º.
  7. 15. Two angles whose sum of their measures is 90º
  8. 17. divides a segment into two congruent segments.
  9. 20. A closed figure having four sides and four angles
  10. 22. Angles that have the same measure.
  11. 23. Points that do not all lie on a single line.
  12. 26. A triangle having one obtuse angle.
  13. 27. A quadrilateral with one pair of parallel sides.
  14. 28. Figures that match exactly when folded in half.
  15. 29. A triangle having no congruent sides.
  16. 30. A parallelogram having four congruent sides.
Down
  1. 2. A triangle having one right angle.
  2. 3. A type of transformation where a figure is flipped over a line of symmetry.
  3. 6. A triangle having three congruent sides.
  4. 7. Angles in matching positions when a transversal crosses at least two lines.
  5. 10. Sides of a triangle having the same length.
  6. 12. Two lines that intersect to form a right triangle.
  7. 13. A triangle having three acute angles.
  8. 14. Opposite angles formed by the intersection of two lines.
  9. 16. One type of transformation where a geometric figure is slid horizontally, vertically, or both.
  10. 18. A triangle having at least two congruent sides.
  11. 19. Points lying on the same line.
  12. 21. A quadrilateral with opposite sides parallel and opposite sides congruent.
  13. 24. Two angles that share a common vertex and a common side but do not overlap
  14. 25. A line or ray that divides an angle in half.