Puzzle

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Across
  1. 3. an angle opposite the legs of an isosceles triangle.
  2. 4. given two lines, there is exactly one plane that contains two lines.
  3. 5. if a line intersects a plane not containing it, then their intersection is exactly one point.
  4. 6. A line which intersects two coplanar lines at two different points.
  5. 7. a pair of non-adjacent exterior angles on opposite sides of a transversal.
  6. 9. pair of non-adjacent interior and exterior angles on hte same side of the transversal.
  7. 11. a geometric figure formed by two rays intersecting in a common point called vertex.
  8. 12. angles a pair of non-adjacent interior angles on opposite sides of a transversal.
  9. 14. exterior angles on the same side of a transversal.
  10. 16. interior angles on the same side of a transversal.
  11. 19. a triangle whose 3 sides and congruent.
  12. 20. coplanar lines that intersect and form the right angles.
  13. 22. a side opposite the right angle of a right triangle and is considered as the longest side.
  14. 23. coplanar lines which do not intersect.
  15. 24. three or more lines that intersect in one point.
  16. 25. every segments has exactly one midpoint.
  17. 27. at least 2 ponts determine
Down
  1. 1. coplanar lines w/c intersects at common point.
  2. 2. it is the angle opposite the base of an isosceles triangle.
  3. 4. if two lines intersect, then ther intersection is exactly one point.
  4. 8. a subset of a line which starts at one endpoint and extended infinitely in one direction.
  5. 10. a subset of a line which has a definite length.
  6. 13. a triangle whose 3 angles are of equal measure.
  7. 15. A triangle with one of its angles measures less than 90*.
  8. 17. a right triangle whose none of its sides are congruent.
  9. 18. given a line and a point not on the line, there is exactly on plane that contains them.
  10. 21. one of the undefined terms in geometry that has no dimension but denotes only location.
  11. 26. one of the undefined terms which is represent by a flat surface that extends infinitely in all directions.