math project

1234567891011121314
Across
  1. 2. outside measures of a three dimensional shape
  2. 4. three dimensional object with straight lines
  3. 6. space occupied by a two dimensional figure
  4. 7. a point where two straight lines meet
  5. 8. specific point on grid
  6. 9. closed and flat shape made of lines
  7. 11. interior of polygram is equal
  8. 12. 90 degree angle
  9. 13. triangle with 2 equal sides
  10. 14. 3D picture if it was opened and flat
Down
  1. 1. outside length of a shape
  2. 3. 3D triangle
  3. 4. 2 lines facing each other equally
  4. 5. triangle with all different lengths
  5. 10. amount of space in a 3D shape