GEOMETRY BASICS

Undefined terms:

point location, dot

(

tine: infinite points in a straight path T

T

plane: Flat surface (no thiekness)

Defined terms:

(< ) angle: a rays connected by an endpoint

the

a that at a

Collinear: a or more points on a same line

coptanar: a or more points on a same plane

( or same = shape)

18

adjacent share a line or point

=

addition postulate! part + part = WHOLE

45

bisector : splits into a congruent parts

45

K

a=b

C=d

Vertical Es: a angles opposite are congruent

a

Complementary

is

:

a

angles

=

90°

b

supprementary to : . a angles = 180° a b

tinear pair pootulate: adjacent < = 180°

9/6

midpoint: clivides a segment in a= parts

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