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A vertical tower stands on a horizontal land and is surmounted by a vertical flag staff of height 12 metres. At a point on the plane, the angle of elevation of the bottom and the top of the flag staff are respectively 45° and 60°. Find the height of tower.

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The correct Answer is:
8.22 m
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A vertical tower stands on a horizontal plane and is surmounted by vertical flagstaff to height 6m. At a point on the plane, the anglea elevation of the bottom of flagsteff is 30^(@) and that of the top of the flagstaff is 60^(@) . Find the height of the tower. [Use sqrt(3) = 1.732 ]

A vertical tower stands on a horizontal plane and is surmounted by a flag-staff of height 7m. From a point on the plane, the angle of elevation of the bottom of the flag-staff is 30o and that of the top of the flag-staff is 45o . Find the height of the tower.

EDUCART PUBLICATION-INTRODUCTION TO TRIGNOMETRY AND ITS APPLICATIONS -LONG ANSWER TYPE QUESTIONS
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  3. A vertical tower stands on a horizontal land and is surmounted by a ve...

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  4. From a point on the ground, the angles of elevation of the bottom and...

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  12. There are two temples, one on each bank of a river, just opposite t...

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  13. A boy standing on a horizontal plane finds a bird flying at a distance...

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  14. prove that: (tan theta)/(1-cot theta)+(cot theta)/(1-tan theta)=1+sec ...

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  15. The lower window of a house is at a height of 2m above the ground and ...

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  16. Prove that: (sin theta)/(cot theta + "cosec"theta) = 2 + (sin theta)/(...

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  18. A man in a boat rowing away from a light house 100 m high takes 2 minu...

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  19. Two poles of equal heights are standing opposite each other on either...

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  20. The shadow of a flagstaff is three times as long as the shadow of the...

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