Geometry - Three-dimensional figures

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Three-Dimension Figures Unit Quiz

Are these statements true or false?	True	False
1) A cone is a polyhedron.
2) A prism has 4 bases.
3) The volume of a cube with edges of 5 cm is 125 cubic cm.
4) The volume of a 3 cm by 5 cm rectangular pyramid with height of 10 cm is 150 cubic cm.
5) The formula for the volume of a pyramid is 1/2 Bh.
6) The volume of a cone is one-third the volume of a cylinder of the same height and base diameter.
7) The volume of a sphere with radius of 1 ft is about 4.19 cubic ft.
8) The faces of a polyhedron are all flat.