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Non-right pyramids are called

  • A.Oblique Pyramids
  • B.Tetrahedron based pyramids
  • C.Pentagon based pyramids
  • D.Hexagon based pyramids

Answer: A

A pyramid is called a right pyramid when its apex sits directly above the centre of its base, so the axis meets the base at a right angle.

When the apex is displaced sideways, the axis leans and the pyramid is oblique.

The other options name pyramids by the shape of their base - triangular, pentagonal, hexagonal - which is a separate classification altogether. A hexagon-based pyramid can be either right or oblique.

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