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Home > PC3 > Chapter 6 > Lesson 6.2.3 > Problem 6-111


Harold, the happy concrete guy, got a call on the phone about some concrete he has to pour for an oddly shaped triangular patio. The only information he is given is that the side lengths were , and meters long.  

  1. Calculate the angles for Harold so he can stay happy.

    Draw and label a diagram. Then use the Law of Cosines to determine the angle measures.

  2. What is the area of the patio that Harold will be forming?