Geometry Vocabulary

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Across
  1. 3. a triangle with at least two congruent sides
  2. 5. part of a line connecting two points
  3. 9. two lines that intersect at right angles
  4. 12. two angles that are next to each other
  5. 14. an angle with a measure less than 90 degrees
  6. 15. two angles that across from each other when lines intersect, they are always congruent
  7. 16. a quadrilateral with one pair of parallel sides and one pair of sides that is not parallel
  8. 18. a quadrilateral with four right angles
  9. 20. lines that never intersect
  10. 21. two angles that add to 180 degrees
  11. 22. a triangle with three congruent sides
  12. 23. a quadrilateral with four congruent sides
  13. 25. a quadrilateral with four congruent sides and four right angles
Down
  1. 1. objects that have the same measure
  2. 2. two angles that add to 90 degrees
  3. 4. an angle with a measure more than 90 degrees
  4. 5. a 180 degree angle
  5. 6. an object that has no endpoints and continues forever in two directions
  6. 7. a quadrilateral with two sets of adjacent congruent sides
  7. 8. a four sided figure
  8. 10. a 90 degree angle
  9. 11. part of a line that has one endpoint and continues forever in one direction
  10. 13. a triangle with no sides equal in length
  11. 17. a polygon in which all the sides and angles are equal
  12. 19. a figure formed by two rays sharing a common endpoint
  13. 20. a quadrilateral with two sets of opposite parallel sides
  14. 24. the point where the rays of an angle intersect