25 terms

Geometry: Section 12.1 (Solid Geometry)

PLAY
Face
Each flat surface
Edge
The segment that is the intersection of two faces
Vertex of a three dimensional figure
The point that is the intersection of three or more faces
Prism
Formed by two parallel congruent polygonal faces called "bases" and connected by faces that are parallelograms
(picture is a triangular prism)
Cylinder
Formed by two parallel congruent circular bases and a curved surface that connects the bases.
Pyramid
Formed by a polygonal base and triangular faces that meet at a common vertex
Cone
Formed by a circular base and a curved surface that connects the base to a vertex.
Cube
A prism with six square faces.
Triangular prism
Triangular pyramid
Rectangular prism
Rectangular pyramid
Pentagonal prism
Pentagonal pyramid
Hexagonal prism
Hexagonal pyramid
Cross section
The intersection of a three dimensional figure and a plane
Polyhedron
solid formed by polygons that enclose a single region of space
Oblique
when a solid (such as a cylinder) is NOT a right figure
Right Solid
When the axis of a cylinder is perpendicular to both bases.
examples of spheres