### Home > PC3 > Chapter 2 > Lesson 2.1.1 > Problem2-12

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 $x$ in each diagram below. (Diagrams not to scale.)

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