8/24/15- Lesson Overview

See filled out guided notes:

Key ideas in the segment addition postulate: The two parts add to a whole. Be careful about when you subtract and when you add, always make sure your answer is reasonable (definitely not negative!)

In the case of problems with variables in them, where you have to use algebra, make sure you set up a valid equation: Are two things equal, or do they add up to equal some other expression/quantity?




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