### Home > INT2 > Chapter 10 > Lesson 10.1.3 > Problem 10-38

10-38.

In cm, and

Refer to the Math Notes box from lesson 4.2.4 for help with inverse trigonometry.

You may want to solve part (b) before part (a).

Then solve for

.

See hint for part (a).

Use the information given and answer (c) to solve for

using the Pythagorean Theorem.