Question

a person standing on the bank of a river observes that angle of elevation of the top of a tree standing on the opposite bank is 60 most 40 metre away from the bank he find the angle to be 30 find the height of the tree and the width of the river​

Answer 1

Answer:

Step-by-step explanation:

check ans. X is the width of river and h is height of tree

Answer 2

$\textbf{Answer is in Attachment !}$