Lines and Angles
Reasoning and Proof
100
A location
What is a point?
100
An educated guess based on known information
What is a conjecture?
200
A flat surface made up of points
What is a plane?
200
A compound statement formed by joining two or more statements with the word and
What is a conjunction?
300
Two noncollinear rays that have a common endpoint
What is an angle formed by?
300
A compound statement formed by joining two or more statements with the word or
What is a disjunction?
400
Angles whose measures have a sum of 90
What are complementary angles?
400
A statement that can be written in if-then form
What is a conditional statement?
500
Angles whose measures have a sum of 180
What are supplementary angles?
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