Solid Shapes Enigma

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Across
  1. 5. is a solid shape, absolutely round in shape, defined in three-dimensional space with a surface area of 4πr2.
  2. 7. is a solid shape that holds two parallel bases, circular in shape, joined by a curved surface(like a tube), at a fixed distance with a volume of πr2h.
  3. 8. shapes are solids that consist of 3 dimensions, namely length, breadth, and height.
Down
  1. 1. 3D Shape which has a flat surface and a curved surface, pointing toward the top
  2. 2. a pyramid with a quadrilateral base is called a
  3. 3. a polyhedrons with twelve pentagon faces is called
  4. 4. A pyramid with a Triangular base is called a
  5. 6. is a solid shape defined on a 3-dimensional plane with two identical shapes facing each other