Question

A person standing on the bank of a river observe that the angle of elevation of the top of a tree on the opposite bark is 60 degree when he moves 40 m away from the bank he finds the angle of elevation to be 30 degree find the height of the tree and width of river root three =1.73 ​

Answer 1

HENCE,THE ANSWER IS

HIEGHT OF TREE = 317.974 METRE

WIDTH OF RIVER = 183.8 METRE