3D Shapes and 2D Shapes

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Across
  1. 3. A shape with 8 equal sides and angles
  2. 4. ●
  3. 6. Perfectly round, like a marble
  4. 7. PRISM Five-sided base
  5. 9. A shape which is also an organ
  6. 12. ▭
  7. 15. A stretched out circle
  8. 16. ▲
Down
  1. 1. Has two circular bases, like a soda can
  2. 2. ▢
  3. 5. Has six square faces
  4. 6. A shape you can see at night
  5. 7. A shape with two pairs of parallel sides and opposite angles that are equal in measure
  6. 8. Has 5 sides and angles
  7. 10. PRISM Six-sided base
  8. 11. Comes to a point, like the Egyptian pyramids
  9. 13. Like a rectangular box
  10. 14. Tapers to a point, like a party hat