0 votes 0 votes The angle of elevation of the sun, when the length of the shadow of a tree is $3$ times the height of the tree, is $30^\circ{}$ $45^\circ{}$ $60^\circ{}$ $90^\circ{}$ Quantitative Aptitude nielit2017july-scientistb height-distance + – Lakshman Bhaiya asked Mar 30, 2020 • edited Jun 7, 2020 by go_editor Lakshman Bhaiya 13.7k points 1.7k views answer comment Share See all 2 Comments See all 2 2 Comments reply Madhav 3.6k points commented Oct 2, 2020 reply Share In question, instead of 3 it shold be $\sqrt{3}$ . then only we can get the answer as $30^{\circ}$ 1 votes 1 votes Lakshman Bhaiya 13.7k points commented Oct 2, 2020 reply Share Yes you are right. 0 votes 0 votes Please log in or register to add a comment.
0 votes 0 votes Let $AB$ be the tree and $AC$ be its shadow. Let $\angle ACB = \theta$ Then, $\dfrac{AC}{AB} = 3$ $\implies \cot\theta = 3$ Lakshman Bhaiya answered Aug 8, 2020 Lakshman Bhaiya 13.7k points comment Share See all 0 reply Please log in or register to add a comment.