University:
Missouri State University
Course:
MTH 460 | College Geometry
Academic year:

2019
Views:

237

Pages:

2
Author:

Mercedes Bishop

Honors Alg2/Trig Right Triangle Trig Name:________________________________________ Applications: 1. A ladder is leaning against the side of a house and forms a 65° angle with the ground. The foot of the ladder is 8 feet from the house. Find the length of the ladder. 2. A lighthouse built at sea level is 150 feet high. From its top, the angle of depression of a buoy is 25°. Find the distance from the buoy to the foot of the lighthouse. 3. A surveyor is 100 meters from a bridge. The angle of elevation to the top of the bridge is 35°. The surveyor’s instrument is 1.45 meters above the ground. Find the height of the bridge. 4. A surveyor is 100 meters from a building. The angle of elevation to the top of the building is 23°. The surveyor’s instrument is 1.55 meters above the ground. Find the height of the building. 5. In a parking garage, each level is 20 feet apart. Each ramp to a level is 130 feet long. Find the measure of elevation for each ramp. 6. A mountain has a base and peak that are inaccessible. At point A, the angle of elevation of the peak is 30°. One kilometer closer to the mountain, at point C, the angle of elevation of 35°. Find the height PB of the mountain.