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Home > PC3 > Chapter 2 > Lesson 2.1.1 > Problem 2-12

2-12.

As the connected complexity of mathematical concepts evolve, your mathematical knowledge evolves as well. Previous knowledge provides the necessary skills to acquire new learning. If necessary, review the Solving Right Triangles Skill Builder, to strengthen your understanding of this topic.

Calculate the value of in each diagram below. (Diagrams not to scale.) 

  1. Right triangle labeled as follows: vertical leg, 10, hypotenuse, x, angle opposite vertical leg, 77 degrees.

  1. Right triangle labeled as follows: vertical leg, 5, horizontal leg, x, angle opposite vertical angle. 21 degrees.

  1. Right triangle labeled as follows: short leg, 4, hypotenuse, 14, angle opposite long leg, x degrees.

Answers and extra practice for the Skill Builder problems are located in the Reference Tab of your eBook.
Click the following link: Solving Right Triangles Skill Builder