Which of these shapes is not a polyhedron?
  • Cube
  • Pyramid
  • Sphere
  • Triangular prism
The polygons forming the surface of a polyhedron are called .......
  • areas
  • edges
  • faces
  • sides
Where the straight sides of two polygons meet on the surface of a polyhedron they form a(n) .......
  • area
  • edge
  • line
  • side
The place on the surface of a polygon where several edges meet is called a .......
  • corner
  • dent
  • point
  • vertex
What is the name of the regular polyhedron in which four equilateral triangles meet at each vertex?
  • Hexahedron
  • Icosahedron
  • Octahedron
  • Tetrahedron
If you add the number of faces of a polyhedron to the number of its vertices the result is always .......
  • equal to the number of edges
  • 2 more than the number of edges
  • 2 less than the number of edges
  • 1 more than the number of edges
How many edges has a pyramid with a hexagonal base?
  • 6
  • 8
  • 10
  • 12
How many faces has the regular polyhedron made with pentagons?
  • 5
  • 10
  • 12
  • 15
A polyhedron with four rectangles or squares meeting at each vertex is called .......
  • a cuboid
  • a parallelepiped
  • a trapezoid
  • impossible
A polyhedron formed from rectangles set at right-angles to a polygonal base and top is called a .......
  • parallel
  • prism
  • prune
  • pyramid
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