Geometry terms 1&2 flash cards

Set: Geometry terms 1&2

Term	Definition
Negation	to say the opposite
Euclid of Alexandria	he wrote "the elements"
point	is represented using a small dot and is named by using a capital letter
plane	a flat surface with no depth and named w/ 3 noncollinear points
collinear	points that line up in a straight line
noncollinear	points that dont lie in a straight line
Coplanar	figures taht lie in the same plane
ray	is part of a line it extends indefinitly in one direction
opposite rays	are also known as straight angles.
angle	is formed by two rays with a common endpoint.
exterior	the area outside of an angle.
interior	the area inside of an angle
vertex	the point of intersection of lines or the point opposite the base of a figure
bisect	to ________ an angle is to cut it in half.
angle bisector	a ray that devides an angle into congruent angles