A solid that is bounded by polygons called faces, that enclose a single region of space.
The shapes that make up a polyhedron.
A line segment formed by the intersection of two faces of a polyhedron
Each endpoint of a side of a polygon
A polyhedron whose faces are all congruent regular polygons
A polyhedron such that any two points on its surface can be connected by a line segment that lies entirely inside or on the polyhedron.
The intersection of a plane and a solid.
Five regular polyhedra, named after the Greek mathematician and philosopher Plato, including a regular tetrahedron, a cube, a regular octahedron, a regular dodecahedron, and a regular icosahedron.
A polyhedron with four faces
A polyhedron with eight faces
A polyhedron with 12 faces
A polyhedron with 20 faces
A polyhedron with 2 congruent faces called bases, that lie in parallel planes.
The two congruent faces
Are parallelograms formed by connecting the corresponding vertices of the bases
A prism whose lateral edges are perpendicular to both bases.
A prism whose lateral edges are not perpendicular to the bases.
Surface Area of a polyhedron
The sum of the areas of its faces
Lateral Area of a polyhedron
The sum of the area of the lateral faces of a polyhedron
A two-Dimensional representation of all the faces of a polyhedron.
A solid with congruent bases that lie in parallel planes.
A cylinder such that the segment joining the centers of the bases is perpendicular to the bases.
Lateral Area of a cylinder
The area of the curved surface of a cylinder.
Surface Area of a Cylinder
The sum of the lateral area of the cylinder and the areas of the two bases.
A polyhedron in which the base is a polygon and the lateral faces are triangles with a common vertex.
A pyramid such that the base is a regular polygon and the segment from the vertex to the center of the base is perpendicular to the base.
A solid with a circular base and a vertex that is not in the same plane as the base.
Lateral Surface of a cone
Consists of all segments that connect the vertex with the points on the edge of a base.
A cone with a vertex that lies directly above the center of the base.
Volume of a Solid
The number of cubic units contained in the interior of a solid.
A 3-D form of a circle, has no vertices or edges.
Center of a sphere
The locus of points in space that are a given distance from a point.
Radius of a sphere
A segment from the center of a sphere to a point on the sphere.
Chord of a sphere
A segment whose endpoints are on the a sphere
Diameter of a Sphere
A chord that contains the center of the sphere
The intersections of a sphere and a plane that contains the center of the sphere
Half of the sphere
Two solids with equal ratios of corresponding linear measures.