Base of a conic solid
The planar region that forms the widest point of a conic solid; often labeled as the 'bottom' of the conic solid, it determines the exact shape of the conic solid.
The set of points between a point (the vertex) and a non-coplanar region (the base), including the point and the region.
The surface of a cylindrical solid whose base is a circle.
The union of the bases and the lateral surface.
Diameter of a circle (or sphere)
The segment whose endpoints are points on a circle (or sphere) that contains the center of the circle as its midpoint; the length of that segment.
The area of the lateral surface of a solid.
The surface not included in the base (s).
Oblique prism or cylinder
A non-right prism or cylinder.
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 set of all possible points; made up of infinite planes.
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.
Cylinders are similar to prisms. You need to find the base area, and you
have two bases. The difference is that the bases in the cylinder are circles,
and in the prisms are polygons. Practice with this interactive geometric applet
about finding the lateral area, surface area, and volume of a right cylinder.
You may manipulate "r", and "h" to view different sets of problems.
Vocabulary Puzzle Interactive
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