1.

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 retires 40m from the bank, he finds the angle to be 30^(@). The breadth of the river is

Answer»

` 20 SQRT3 MT`
` 25 mt`
` 20 mt`
` 30 mt`

ANSWER :C


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