geometry termz

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Across
  1. 4. a polygon with three sides
  2. 6. the point where two sides of a polygon meet
  3. 7. a quadrilateral with both pairs of lines parallel
  4. 9. how much a 3d figure can hold
  5. 10. to take a part a shape
  6. 11. a 3d figure with a base that is a polygon and triangular faces
  7. 15. the number of square units enclosed by a shape
  8. 16. a 2d pattern you can fold to form a 3d shape
  9. 17. a parallelogram whose sides are all equal
  10. 18. a 3d figure with polygon shaped surfaces
  11. 19. a mathematical rule involving symbols
Down
  1. 1. the combined area of the faces on a 3d figure
  2. 2. a quadrilateral with 1 pair of parallel lines
  3. 3. two lines that form to make a right angle
  4. 5. formed from intersecting faces on a 3d figure
  5. 8. a branch of mathematics involving shapes
  6. 12. a prism is a 3d figure with two parallel faces
  7. 13. the line or surface a figure stands on
  8. 14. a quadrilateral with 2 pairs of adjacent sides that are equal
  9. 19. a surface of a 3d figure