Geometry

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Across
  1. 3. Lines that never meet
  2. 5. Angles that are less than 90 degree.
  3. 6. Angles that are equal to 90 degree.
  4. 7. A quadrilateral that has only one pair of parallel lines.
  5. 9. A quadrilateral with two pairs of opposite sides whose one pair's length is longer than the other pair and has four right angles.
  6. 10. Angles that are greater than 90 degree.
  7. 11. Lines that cross over each other.
  8. 14. A triangle that has two sides of equal length
  9. 15. A quadrilateral with has 4 equal sides and 4 right angles.
Down
  1. 1. Angles that are 180 degree.
  2. 2. Shapes that have only four sides.
  3. 3. Lines that form a right angle.
  4. 4. A triangle that has three sides of equal length
  5. 8. A quadrilateral with two pairs of parallel sides.
  6. 12. A quadrilateral that is a parallelogram with 4 equal sides.
  7. 13. A triangle that has no sides of equal length