Geometry

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Across
  1. 3. - a quadrilateral with two sets of parallel lines
  2. 6. - a quadrilateral with one set of parallel lines.
  3. 8. - An angle larger then 90 degrees.
  4. 9. _ an angle that is 90 degrees.
  5. 10. - __________ lines intersect at a right angle.
  6. 12. - a quadrilateral with four congruent sides.
Down
  1. 1. - when all angles are congruent in a triangle
  2. 2. - A _____ triangle has to congruent sides.
  3. 4. - an angle smaller then 90 degrees
  4. 5. - three sided geometrical shape.
  5. 7. when a triangle has two equal sides.
  6. 10. - _______ lines will never touch.
  7. 11. - A polygon with four congruent sides.