**Angle of Elevation**

**Definition of Angle of Elevation**

- Angle of elevation is the angle between a horizontal line and the line joining the observer's eye to some object above the horizontal line.

**Examples of Angle of Elevation**

**Solved Example on Angle of Elevation**

The angle of elevation of the top of a pole measures 48° from a point on the ground 18 ft away from its base. Fnd the height of the flagpole.

**Choices:**

A. 12 ft

B. 22 ft

C. 18 ft

D. 20 ft

**Correct Answer: D**

**Solution:**

**Step 1:** Let *x* be the height of the flagpole.

**Step 2:** tan 48° =

**Step 3:** *x* = 18 tan 48°

**Step 4:** *x* = 18 × (1.110612515) = 20

**Step 5:** So, the height of the flagpole is 20 ft.

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