Please copy down these notes into your notebook for points
This is a good example of how to use the Pythagorean Theorem
Source: http://www.youtube.com/watch?v=nEjkyxy4jMM
Source: https://www.khanacademy.org/math/geometry/triangles/v/pythagorean-theorem-2
This is an introduction of simplifying square roots which you will need for this unit