A segment that helps to make up a face.
A polygonal region of a surface.
Broken lines used to signify lines that normally wouldn't be seen in a drawing.
The area of the lateral surface of a solid.
A segment whose endpoints are corresponding points of a cylindrical solid's bases, or whose endpoints are the vertex of a conic solid and a vertex of its base.
The faces of the lateral surface of a prism, or a face of a pyramid that is not a base.
The surface not included in the base (s).
Oblique prism or cylinder
A non-right prism or cylinder.
A prism whose opposite faces are all parallelograms and congruent (in pairs).
A three-dimensional surface which is the union of polygonal regions and has no holes.
It is a polyhedron that has two congruent and parallel faces, called bases. The remaining faces, which are parallelograms are called lateral faces. The altitude is the perpendicular segment whose endpoints are at the bases. The length of the altitude is the height of the prism. A right prism is one with all lateral faces rectangles. An oblique rectangle has some to be nonrectangular.
A prism whose direction of sliding is perpendicular to the plane of the base.
The union of the surface and the region of space enclosed by a 3-D figure; examples: conic solid, cylindrical solid, rectangular solid.
The study of figures in three-dimensional space.
The boundary of a 3-D figure.
The total area of the surface of a solid.
Unit of measuring volume.
Interactive Geometric Applets: Relevant Theorems.
Prisms get their name from the polygon in the base. This interactive geometric applet
is about an hexagonal prism. It shows the solution for the lateral area, surface area,
and volume. You may drag the sliders for different values of "r", and "h".
Vocabulary Puzzle Interactive
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