Solve the following word problems using the method above. 1. A ladder 8 meters long leans aaainst the wall of a building. If the foot of the ladder makes an angle of 68 ° with the ground, how far is the base of the ladder from the wali? 2. A man, 1.5 m tall, is on top of a bullding. He observes a car on the road at an angle of 75 ° . If the building is 30 m high. how far is the car from the building? 3. An airpiane tock off from an airport and travelled at a constant rate and angle of elevation. When the airplane reached an altitude of 500 m, its horizontal distance from the airport was found to be 235 m. What was the angle when the airplane rose from the ground?