Trigonometry can be used to solve problems that use an angle of elevation or depression. An architect wants to calculate the height of a building. He stands 50 m away from the base of the building ...

One of the most valuable things to learn about an area is its elevation. You might not know where to find elevation ... These ...

He stands 50 m away from the base of a building. His angle of elevation to the top of the building is 70°. Calculate an estimate of the height of the building. Give your answer to an appropriate ...