TRIANGLES

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Across
  1. 5. The criteria of congruence concerned with two angle and the included angle.
  2. 6. The criteria of congruence concerned with two sides and the included angle
  3. 8. Sum of all angles of a triangle is ____--
  4. 10. _________ opposite to angles are equal
  5. 11. The height of the triangle is equal to it's ___________
Down
  1. 1. The side opposite to right angle in a triangle.
  2. 2. A triangle with all sides and angles equal to each other.
  3. 3. A triangle with no equal sides.
  4. 4. A triangle with two equal sides
  5. 6. Criteria of congruence concerned with three sides
  6. 7. A line which intersects the other line at an angle of 90 degree.
  7. 9. A closed figure with three sides.