1. By team iPhone

2.  lesson objectives: In this lesson you will learn what an angle of elevation and an angle of depression is. You will also learn how solve problems involving angles of elevation and depression.

3.  Angle of elevation- the angle formed by a horizontal line and a line of sight to a point above the line.  Angle of depression- is the angle formed by horizontal line and a line of sight to a point below the line.

4. An angle of elevation is formed by a horizontal line and a line of sight to a point above the line Line of sight Angle of elevation

5. An angle of depression is an angle formed by a horizontal line and a line of sight to a point below the line Line of sight Angle of depression

6. A person is standing on a hill and is looking down to their house. They want to know how high above their house they are. If they are 500ft away from their house and the angle of depression formed by their line of sight is a 8 degree angle how high above their house are they? 500ft 8 X

7. A person wants to know how far away from a radio tower they are. If the tower is 300ft tall and the angle of elevation they are looking at is 30 degrees how far away from the tower are they?

8. A person is looking down from the top floor of a hotel that is 100ft tall at a bridge 400ft away what is the angle of depression they are looking at?