Question

1. A ramp inclines at 30° and is 10m long. How high is it at its highest point?
2. A ramp inclines at 45° and its lowest points is 12m from the base of a platform. How long is the ramp?
3. A pole 25ft.long rest on a wall,making a 55° angle with the ground. How high is its top end above the ground?
4. A ramp 30m long inclines at 20°. How high is its top end above the ground?
5. A man sees a bird at an angle of elevation 54°. If the bird flies at an altitude 78ft.,what is the actual distance between the man and the bird?
6. A boat is 500m from the base of a cliff. Jackie,who is sitting in the boat,notices that the angle of elevation to the top of the cliff is 56°. How high is the cliff?
7. From a boat on the lake,the angle of elevation to the top of the cliff is 24°. If the base of the cliff is 747ft.from the boat,how high is the cliff?
8. If a man is just about to skidown a step mountain. He estimates the angle of depression from where he is now to the flag at the bottom of course to be 44°. He knows that he is 800ft.higher than the base of the course. How long is the path that he will ski?
9. From a boat on the river below a dam,the angle of elevation to the top of the dam is 29°. If the dam is 2039 ft.above the level of the river,how far is rhe boat from the base of the dam?
10. The same man now stands a top a building. He measures the angle of elevation to the building across the streets to be 27° and the angle of depression(to the base of the building across the street) to be 31°. If the two buildings are 50ft. apart,how tall is the taller building?
11. An isosceles triangle has a legs measuring 100cm and the base angles measuring 30° . If the triangle is to serve a decorative roof for a model,how long should be the base of this triangle?

Answer 1

patanahi  google ma search karo