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A person standing on the bank of a river observes that the angle subtended by a tree on the opposite of bank is `60^(@)`. When he retires 40 m.from the bank, he finds the angle to be `30^(@)`. What is the breadth of the river ?

A

40 m

B

60 m

C

20 m

D

30 m

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A person standing on the bank of a river observes that the angle subtended by a tree on the opposite of bank is 60^(@) . when he returns 40 m from the bank, he finds the angle to be 30^(@). What is the breadth of the river?

Problems based on finding the breadth of the river; exp-1A man standing on the bank of the river observes that the angle subtended by the tree on the opposite bank is 60^(0). When he retires 36m from the bank,he found the angle to be 30^(0). What is the breadth of the river.

A person standing on the bank of a river observers that the angle subtends by a tree on the opposite bank is 60^(@) . When he retires 40 feet from the bank, he finds the angle 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 subtended by a tree on the opposite bank is 60^(@) , when he retreats 40m from the bank he finds the angle to be 30^(@) . Find the height of the tree and the breadth of the river.

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