crossword puzzle

123456
Across
  1. 2. triangle which equal to 90 degrees
  2. 4. If all the three sides of a triangle are in proportion to the three sides of another triangle, then the two triangles are similar.
  3. 5. Longest Side of right angle triangle.
  4. 6. triangles have the same side lengths
Down
  1. 1. If a line is drawn parallel to one side of a triangle intersecting the other two sides in distinct points, then the other two sides are divided in the same ratio.
  2. 3. If the two sides of a triangle are in the same proportion of the two sides of another triangle, and the angle inscribed by the two sides in both the triangle are equal, then two triangles are said to be similar.