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Across 5. a solid with 1 polygon base with triangle lateral faces that come to a point 6. Half of a sphere 7. A circle or polygon that represents the bottom, needs to be parallel to any other base 8. A solid with no flat surfaces, edges or vertices 10. The two dimensional view of a cut through a solid 11. Line segment where 2 faces meet 12. Measurement of the space inside a solid

Down 1. Point where 2 or more edges meet 2. A solid with 2 parallel and congruent polygon bases with rectangle lateral faces 3. A solid with 2 parallel and congruent circle bases 4. Faces not the bases 9. A solid with 1 circle base with a curved lateral face that comes to a point