Geometry Terms Flashcards
An imaginary, smallest unit of measure, zero-dimensional with only a locaiton.
A Point.
an infinte number of connected points
A line
2 points contained in the same line
Collinear
Ray
one half of a line. has a specific starting point then proceeds infinitely.
Congruent
Two shapes that are exactly the same
plane
infinite number of connected lines lying in the same flat surface
coplanar
two lines lying in the same plane
Study of two dimensional shapes that lie within a plane
plane geometry
Three-dimensional geometry; length, width, and height, pertaining to space and solids
Solid Geometry
What is the symbol for an Intersection?
an upside-down u, meaning two or more things or groups meet or overlap
What is the symbol for union?
a U, two or more things or groups are combined
Empty or null set
no possible answer
Subset
sideways U; one set is a sub set of another
Set
{} A collection of things. Capital letters are used to represent the members of each set.
Vertex
orgin of an angle
