### Home > INT2 > Chapter 8 > Lesson 8.1.1 > Problem 8-9

As Ms. Dorman looks from the window of her third-story classroom, she notices Pam in the courtyard. Ms. Dorman’s eyes are

Start by drawing a detailed diagram showing Pam, Ms. Dorman, and the building. Label completely. Remember that the angle of depression is the angle between Ms. Dorman's line of sight and the horizontal line, not between her line of sight and the building.

Use the tangent ratio to solve for .

*is the adjacent angle to angle of depression.*

Since angle of depression