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A flagstaff 7 m long is fixed on the top...

A flagstaff 7 m long is fixed on the top of a tower standing on the horizontal plane. From a point on the ground, the angles of elevation of the top and bottom of the flagstaff are 60° and `45^(@)` respectively. Find the height of the tower correct to one decimal place,

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The correct Answer is:
9.3 m
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