Chapter 12.1: Solids Flashcards
1
Q
Polyhedron
A
a solid that is bounded by polygons.
2
Q
Face
A
enclose a single region of space.
3
Q
Edge
A
a line segment formed by the intersection of two faces.
4
Q
Vertex
A
a point where three or more edges meet.
5
Q
Surface
A
consists of all points on its faces.
6
Q
Convex
A
a polyhedron is convex if any two points on its surface can be connected by a line segment that lies entirely inside or on the polyhedron.
7
Q
Regular Polyhedron
A
a polyhedron is regular if all its faces are congruent regular polygons, and the same number of faces meet at each vertex in exactly the same way.
8
Q
Tetrahedron
A
a regular polyhedron with four faces.
9
Q
Octahedron
A
a regular polyhedron with eight faces.
10
Q
Dodecahedron
A
a regular polyhedron with twelve faces.
11
Q
Icosahedron
A
a regular polyhedron with twenty faces.
