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

A person standing on the bank of a river observes that the angle of elevation of top of a tree on the opposite bank of the river is 60^@ and when the retires 40 metres away from the tree the angle of elevation becomes 30^@ the breadth of the river is

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

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^(@) . 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 60^0dot 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 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 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)