1.

During the super cyclone in Orissa when wind blew a coconut tree touched the top of a pole 9 ft. high. The distance of the pole from the tree 12 ft. After some time the tree brokedown and touched the bottom of another pole which is 5sqrt(3)ft. from the tree. Find the angle from by the broken part of tree with the ground.

Answer»

`30^(@)`
`20^(@)`
`60^(@)`
`45^(@)`

ANSWER :A


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