Start on the work from yesterday! Finn will work problems on the board in a bit, so mark any that you need help with (we will start with 15 and 16).
What is AB?
Hint: set the sum of AB and BC equal to AC.
Someone raise their hand and ask: Postulate? What kinds of crazy words are you using, Finn?
What's the segment addition postulate?
If three points A, B, and C are collinear and B is between A and C, then AB + BC = AC.
Let's do some examples ...
Complete this worksheet for a 4, and do the backside for a 5!