8.2.1 Angles of Elevation and Depression - Worksheet
Example 1: Classify each angle as an angle of elevation or angle of depression. 1. ∠ 1
4
3 2
1
2. ∠ 2
3. ∠ 3
4. ∠ 4
Example 2: 5. When the angle of elevation to the sun is 37 ° , a flagpole casts a shadow that is 24.2 ft long. What is the height of the flagpole to the nearest foot?
37˚ 24.2 ft
Example 3: 6. The pilot of a traffic helicopter sights an accident at an angle of depression of 18 ° . The helicopter’s altitude is 1560 ft. What is the horizontal distance from the helicopter to the accident? Round to the nearest foot.
Example 4: 7. From the top of a canyon, the angle of depression to the far side of the river is 58 ° , and the angle of depression to the near side of the river is 74 ° . The depth of the canyon is 191 m. What is the width of the river at the bottom of the canyon? Round to the nearest tenth of a meter.
58˚
74˚
191 m
83
Made with FlippingBook - PDF hosting