geometry cross word puzzle

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Across
  1. 2. /an angle that is exactly 180
  2. 4. /an 8-sided polygon
  3. 7. /a triangle with two equal sides
  4. 9. /an angle less that 90
  5. 10. /two angles that add up to 180
  6. 13. /a two-dimensional polygon with 3 sides, 3 vertices or corners
  7. 14. /a one dimensional figure which has length but no width
  8. 15. /and angle more than 90 but less than 180
Down
  1. 1. /two angles that are formed with a common side
  2. 3. /lines that cross at a point
  3. 5. /two angles that add up to 90
  4. 6. /lines that cross at a point and form 90 angles
  5. 8. /a figure which is formed by two rays or lines that shares a common endpoint
  6. 11. /two lines that never intersect
  7. 12. /an angle the is exactly 90