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17 Cards in this Set

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Polyhedron
solid formed by polygons
face
flat side of a polyhedron
edge
intersection of two faces
vertex
intersection of 3 or more faces
regular polyhedron
only if each face is a regular polygon, each face is congruent to the other faces, faces meet at the vertex at the same way, then it is regular polyhedron.
prism
two faces are the bases that are congruent and parallel ploygons. it has lateral faces which are parallelograms
right prism
lateral edges are perpendicular to the bases
oblique prism
not a right prism
altitude
any segmenent that is perpendicular to the bases (height)
great circle
half a the base of a hemisphere
axis
connects the centers of the bases of a cylinder
the volume of a prism or cylinder is
base area times hieght
the volume of a cone or a pyramid
1/3 base ares times hieght
volume of a sphere
4/3πr^3
volume of a hemisphere
2/3πr^3
surface area of a sphere
4πr^2
surface area of a hemisphere
3πr^2