Metric and Inch/Pound Measurements

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Across
  1. 3. The amount of space contained in a three-dimensional space
  2. 7. The length of a straight line that crosses from one side of a circle to a point on the opposite side.
  3. 9. 27 cubic feet equal one of these
  4. 12. A triangle with sides of unequal length
  5. 13. A four sided shape with four 90 degree angles
  6. 14. Any angle greater than 0 and less than 90
  7. 18. A triangle that has three equal sides and three equal angles
  8. 19. A 180 degree angle or flat line
  9. 21. The smallest measurement for length in the English Standard system
  10. 22. Two angles that are formed by two straight lines crossing
Down
  1. 1. The shape made by two straight lines coming together at a point
  2. 2. The smallest measurement for length in the metric system
  3. 4. An angle that measures 90 degrees
  4. 5. A push or pull on a surface
  5. 6. A unit of measurement for angles
  6. 8. The line forming the bottom of a triangle
  7. 10. Angles that have the same vertex and one side in common
  8. 11. line drawn from one corner of a rectangle or square to the farther opposite corner
  9. 12. A special type of rectangle with four equal sides and four 90 degree angles
  10. 15. The point at which two or more lines or curves come together at a point
  11. 16. A three dimensional object whose sides are all the same length
  12. 17. A closed shape that has three sides and three angles
  13. 20. The quantity of matter present