- Solve the problem.
The angle of elevation from a point on the ground to the top of a tower is 18°. The base of the tower is 100 feet from the point on the ground. Find the height of the tower. Round to the nearest tenth of a foot.
- Solve the problem.
A person is looking from a car to the top of a building. The angle of elevation to the top of the building from the car is 32°. The building is 200 feet away. How tall is the building? Round to the nearest foot.
- Solve the problem.
A person is watching a boat from the top of a lighthouse. The angle of depression from the person to the boat is 28° . The lighthouse is 200 feet tall. How far away is the boat? Round to the nearest foot.
- Find the missing parts of the triangle. Round to the nearest tenth when necessary or to the nearest minute as appropriate.
C = 109.3°
a = 5.6 km
b = 10.7 km
- Find the missing parts of the triangle. Round to the nearest tenth when necessary or to the nearest minute as appropriate.
a = 8.1 in.
b = 13.3 in.
c = 16.2 in.
- Find the indicated angle or side. Give an exact answer.
Sample Solution
