3 undefined terms
point, line, plane
postulate
accept as true without being proven
collinear
together on a line
coplanar
together on a plane
inductive reasoning
based off patterns that lead to conjectures
deductive reasoning
based off facts that lead to conclusions
conditional
p → q
converse
q→p
inverse
~p → ~q
contrapositive
~q → ~p
conditional and converse
must be true for a biconditional statement to be true
linear pairs
supplementary - add to 180
vertical angles
congruent - same
congruence shortcuts
SSS, SAS, ASA, AAS
Corresponding angles
Same measures
AIA
Same measures
SSI
Supplementary measures
AEA
Same measures
Perpendicular equation
Opposite reciprocal slope, different y intercept
Intersect
Different slope, different y intercept
Parallel
Same slope, different y intercept
Complimentary angles
Add to 90