Geometry

1234567891011121314
Across
  1. 2. triangle with 2 equal sides
  2. 5. line with no origin or end
  3. 6. line with starting and ending point
  4. 8. polygon with infinite number of sides
  5. 10. seven sided polygon
  6. 12. closed surface made of straight lines
  7. 13. two adjacent angles together makes 90 deg
  8. 14. ten sided polygon
Down
  1. 1. angle more than straight angle
  2. 3. triangle with all three unequal sides
  3. 4. space between two sides
  4. 7. two adjacent angles together makes 180 deg
  5. 9. line with a origin but no ending point
  6. 11. angle more than right angle