A flagpole stands on a building and...

A flagpole stands on a building and an observer on a level ground is 300 feet from the base of the builing . The angle of elevation of the bottion of the flagpole is `30^@` and the height of the flagpole is 50 feet if ` theta ` is the angle of elevation of hte top of the flagpole , then `tan theta ` is equal to

`(2 sqrt(3) +1)/( 6)`

`(sqrt(3))/(2)`

`1`

`( 6 sqrt(3)+1)/(6)`

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