Platonic Solids

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Across
  1. 4. is a regular polyhedron with twelve pentagonal faces
  2. 7. all angles are equal in measure
  3. 9. each flat surface In any geometric solid
  4. 10. is a regular polyhedron with eight triangular faces
  5. 13. the line where two faces meet
  6. 14. a corner where edges meet
  7. 15. is a regular polyhedron with twenty triangular faces
Down
  1. 1. one of five regular solids
  2. 2. is a regular polyhedron with six square faces
  3. 3. polygon a polygon that is equiangular and equilateral
  4. 5. all sides have the same length
  5. 6. a plane figure with at least three straight sides and angles
  6. 8. mathematics concerned with the properties and relations of points, lines, surfaces, and solids
  7. 11. is a regular polyhedron with four triangular faces
  8. 12. a solid figure or an object or shape that has three dimensions, length, width and height