Has no size, no width, named by a capital letter
Represented by a dot, all geometric figures consist of points
extends forever has no thinkness
extends in all directions without ending, has no edges, drawn as a four-sided Figure
is the set of all points
points are points all in one line
Points all in one plane
Midpoint of a segement
a point that divides the segment into 2 congrunt segments
2 angles in plane with common vertex and common side, no more then 1 common interior point
Linear Pair Postulate
Angles that add up to 180
Segment Addition Postulate
If B is between A and C, then AB+BC=AC
Segments that have equal kenghts
(logic) a proposition that is accepted as true in order to provide a basis for logical reasoning(accepted without proof)
statements that can be proven/ are proved
If a = b, then either a or b may be substituted for the other in any equation
if a=b and c≠0, then a/c=b/c
if a=b, then ac=bc
Angle Bisector Theorem
If a point is on the bisector of an angle, then it is equidistant from the two sides of the angle, If ray BX is the bisector of angle ABC, then angle ABX = 1/2angleABC and angle XBC = 1/2 angle ABC
Angle addition property
two or more adjacent angles can be added together to create a single larger angle, If ray BC is in the interior of < ABD, the <1 + <2 = < ABD
a = a, when the same number is equal exacly. 8=8, AB=AB
If a=b and b=c, then a=c(Dominoes) , If one quantity equals a second quantity, and the second quantity equals a third quantity, then the first quantity equals the third quantity
If a=b, then b=a, If one quantity equals a second quantity, then the second quantity equals the first
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