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Home > CCA2 > Chapter 12 > Lesson 12.2.1 > Problem 12-105

12-105.

Find in each triangle below.

  1. Triangle labeled as follows: left side, 8, right side, 12, bottom side, 10, right bottom vertex, c.

    Use the Law of Cosines to solve this problem.

    cos

  1. Right triangle labeled as follows: horizontal leg, 13, vertical leg, 7, vertex opposite vertical leg, c.

    This is a right triangle, and you know the lengths of both legs. Which trig function uses this information?

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