Geometry

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Across
  1. 1. A 3D shape made of two identical bases and other rectangles faces
  2. 4. The total length around a 2D shape
  3. 7. A flat surface that forms part of the boundary of a 3D shape
  4. 8. A polygon with five sides
  5. 9. A 3D shape with two identical circular bases
  6. 10. A flat shape with four equal sides and right angles
  7. 12. A round 2D shape where all points are the same distance from the center
  8. 14. A polygon with three sides
  9. 15. A corner point where edges meet in a 3D shape
Down
  1. 2. A perfectly round 3D shape, like a ball
  2. 3. A polygon with six sides
  3. 5. A flat shape with opposite sides equal and all angles right
  4. 6. A flat shape with four sides, but only opposite sides are equal and parallel
  5. 8. A 3D shape with a polygonal base and triangular faces meeting at a point
  6. 9. A 3D shape with a circular base and a pointed top
  7. 11. A line segment where two faces of a 3D shape meet
  8. 13. A solid figure with six square faces, all sides equal