math duh

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Across
  1. 1. a 3d shape with triangular sides
  2. 4. the top most point in a shape
  3. 5. length times width times height
  4. 7. a triangle were 2 sides are the same length
  5. 9. length times width
  6. 11. a polygon with equal sides and angles
  7. 13. a point on a graph
Down
  1. 1. the outside edge of a shape
  2. 2. a 90 degree angle
  3. 3. a triangle with no even sides
  4. 6. a 2d shape that can be filed into a 3d shape
  5. 8. the total area needed to cover a 3D shape
  6. 10. a shape with at least 3 sides
  7. 12. a 3d shape with a top and bottom that are parallel