question_answer

If the angle of depression from the top of a hill of two successive stones separated by a distance of 1 km are \[30{}^\circ \] and \[45{}^\circ \] respectively. The stones are at the east. Find the height of the hill?\[(take\,\,\sqrt{3}=1.732)\]

A)  916 m             

B)  1366 m

C)  812 m             

D)  800 m

E)  None of these