### Home > CCA2 > Chapter 2 > Lesson 2.1.4 > Problem 2-55

2-55.

Find the value of . Homework Help ✎

Use the Pythagorean Theorem.

See part (a).

You can use special triangles

and , or solve by using the Law of Sines. . Remember to check your work.

2-55.

Find the value of . Homework Help ✎

Use the Pythagorean Theorem.

See part (a).

You can use special triangles

and , or solve by using the Law of Sines. . Remember to check your work.