### Home > PC > Chapter 1 > Lesson 1.4.2 > Problem 1-153

1-153.

Use the triangle to the right to answer the following questions. Homework Help ✎ What kind of a special triangle is this?

What is the exact length of

? What is the exact length of side

? Write and simplify the sine ratio for ∠

*P*. Leave in simplified radical form.

30°, 60°, 90°

Set up a ratio with the sin 30°.

Use the information from the previous questions.