jmmastey/level_up_exercises — pull request #165 by jillalynch (2014-10-20 21:27:25+00:00)
Title: Triangle facts feature

Adds angles properties to Triangles class.

Attempts to reduce some of the duplication in calculate_angles by creating a law_of_cosines method and positions array. I can see how the original three lines are more clear, but it was kind of an exercise in DRY?