Question

The angle of elevation of a cloud from a point 200 metres above the lake is 30° and the angle of depression of its reflection in lake is 60 degrees . find the height of cloud above the lake​

Answer 1

Step-by-step explanation:

Let AB be the surface of the lake and let P be a point of observation such that AP = 200 m. Let C be the position of cloud and C′ be its reflection in the lake. Then CB = C′B Let CM = x Then CB = CM + MB = x + 200 In ∆CPM, we have Height of cloud = x + 200 = 400 mRead more on Sarthaks.com - https://www.sarthaks.com/37953/angle-elevation-cloud-from-point-above-the-lake-30-and-the-angle-depression-the-reflection