Math!

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Across
  1. 3. A shape folded by three or more line segments
  2. 4. An angle that measures 90%
  3. 6. a triangle with no side equal
  4. 7. A corner of a polygon
  5. 10. A shape that has all of its sides equal
  6. 12. The mesh around the figure
  7. 13. the length times width
Down
  1. 1. An ordered set of numbers to locate a point
  2. 2. The amount of space occupied by a 3D shape
  3. 5. A two-dimensional figure that can be folded into a 3D figure
  4. 6. The area required to cover a 3D shape
  5. 8. A side with the same two sides
  6. 9. A 3d shape with a top and bottom that are congruent into a polygon
  7. 11. that meet at right angles