Math

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Across
  1. 1. 3D version of a triangle
  2. 7. Amount of space within a 3D shape
  3. 8. Branch/type of math
  4. 10. Angular point of a polygon
  5. 11. Combination of letters/numbers that a system of counting uses to represent numbers
  6. 13. Solid figure with many plane faces (usually 6+)
  7. 14. Quadrilateral whose four sides can be grouped into two pair of equal length sides
  8. 15. Solid shape with matching ends
  9. 16. Amount of unit squares that could be contained in a 2D shape
  10. 17. Four sided shape with parallel lines
  11. 19. Quadrilateral with only one pair of parallel sides
  12. 20. Pattern that you can cut and fold to make a 3D shape
Down
  1. 2. Parallelogram with equal sides and opposite angles
  2. 3. What the side of a 3D shape is called
  3. 4. Break down a number/problem
  4. 5. Area of an outer layer
  5. 6. Lines going in opposite directions often times forming a right angle
  6. 9. Three sides shape
  7. 12. Rule expressed in symbols
  8. 18. Type of line segment