Math Geometry Puzzle

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Across
  1. 1. A parallelogram with equal side lengths
  2. 4. A unit equal to 16 ounces
  3. 5. A customary unit used to measure capacity
  4. 7. A straight path that goes on forever in opposite directions
  5. 9. A line that has one endpoint and never ends
  6. 10. The measure of how heavy something is
  7. 12. A figure formed by two rays or two line segments that meet at a endpoint
  8. 14. A polygon with four sides
  9. 15. A ten-sided polygon
Down
  1. 2. A metric unit used to measure capacity
  2. 3. A 3-D twelve-sided shape
  3. 6. A quadrilateral with exactly one pair of parallel sides
  4. 8. A rectangle with all sides equal length and four right angles
  5. 11. A 3-sided shape
  6. 13. A metric unit of mass