Case Study|Application of Trigo|Class 10 Mr Ram, a vendor in a resort installed solar moon light.. скачать в хорошем качестве

Case Study|Application of Trigo|Class 10 Mr Ram, a vendor in a resort installed solar moon light..

Mr Ram, a vendor in a resort installed solar moon light lamp-posts in the resort premises. He observes the electrician working on a lamp-post from a window of the resort at a height of 60 m. He also found the measure of depression of the top and botto m of lamp-post as 30° and 60° respectively. Use the above information to answer the questions that follow: (i) Draw a neat labelled figure to show the above situation diagramatically. (ii) Find the distance between the lamp-post and building at ground level. (1) [Use √√3 = 1.73] (1) (iii) (A) What is the height of lamp-post for which the angle of depression of the top of lamp-post is 30°? Or (B) What is the distance between the top of lamp-post and the top of building? (2)