A person standing on the bank of a river observes that the angle of elevation of the top of a tree standing on the opposite bank is `60^(@)`. When he moves 40 m away from the bank, he finds the angle of elevation to be `30^(@)`. Find the height of the tree and width of the river. `(sqrt3 =1.73)`

A person standing on the bank of a river observes that the angle of elevation of the top of a tree standing on the opposite bank is 60^(@) . When he moves 40 m away from the bank, he finds the angle of elevation to be 30^(@) . Find the height of the tree and the width of the river. (sqrt3=1.73)

A person standing on the bank of a river observes that the angle of elevation of the top of a tree standing on the opposite bank is 60^(@) . When he moves 40 m away from the bank, he finds the angle of elevation to be 30^(@) . Find the height of the tree and the width of the river. (sqrt3=1.73)

A person standing on the bank of a river observes that the angle of elevation of the top of a tree standing on theopposite bank is 60^@ . When he moves 40 m away from the bank, he finds the angle of elevation to be 30^@ . Find the height of the tree and the width of the river.

A person standing on the bank of a river observes that the angle of elevation of the top of a tree standing on the opposite bank is 60^(@) . When he move 40metres away from the bank, he finds the angle of elevation to be 30^(@). Find the height of the tree and the width of the river.

A person standing on the bank of a river observes that the angle of elevation of the top of a tree standing on the opposite bank is 60^(@) . When he moves 40 meter away from the bank, he finds the angle of elevation to be 30^(@) . Find the height of the tree and width of the river " [take", sqrt(3)=1.732]

A person standing on the bank of a river observes that the angle of elevation of the top of a tree standing on the opposite bank is 60^0dot When he move 40 metres away from the bank, he finds the angle of elevation to be 30^0dot Find the height of the tree and the width of the river.

A man standing on the bank of a river observes that the angle of elevation of a tree on the opposite bank is 60^(@) . When he moves 50 m away from the bank, he finds the angle of elevation to be 30^(@) . Calculate : the height of the tree.

A man standing on the bank of a river observes that the angle of elevation of a tree on the opposite bank is 60^(@) . When he moves 50 m away from the bank, he finds the angle of elevation to be 30^(@) . Calculate : the width of the river and

A person standing on the bank of a river observes that the angle of elevation of the top of a tree on the opposite bank is 60^(@) . When he retreates 20m from the bank, he observes the angle of elevation of the top of the same tree to be 30^(@) . Find the height of the tree and the breadth of the river.

A person standing on the bank of a river observes that the angle of elevation of the top of a tree on the opposite bank of the river is 60^(@) and where he retires 40 meters away from the tree the angle of elevation becomes 30^(@). The breadth of the river is