classifying figures on a coordinate grid

1234567891011
Across
  1. 2. a segment that connects a vertex with a midpoint of the opposite side
  2. 5. a quadrilateral with parallel opposite sides
  3. 8. a segment that joints two points on a circle and goes through the centre
  4. 9. a quadrilateral that has two pairs of equal sides but no parallel sides
  5. 10. a triangle that has all different sides
  6. 11. a parallelogram with equal sides
Down
  1. 1. a part of line between two points
  2. 3. a triangle that has 2 equal sides
  3. 4. a segment that joints two points on a circle
  4. 6. a triangle that has 3 equal sides
  5. 7. a line that connects the midpoints of two adjacent sides