A vertical lamp-post of height `9` meters stands at the corner of a rectangular field.The angle of elevation of its top

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Q 3070523416.     A vertical lamp-post of height `9` meters stands at the corner of a rectangular field.The angle of elevation of its top from the farthest corner is ` 30^{\circ}` ,while from another corner it is ` 45^{\circ}`. The area of the field is
A

`9\sqrt{2} meter^{2}`

B

` 81\sqrt{3} meter^{2}`

C

`81\sqrt{2} meter^{2}`

D

`9\sqrt{3} meter^{2}`

HINT


Solution
(Provided By a Student and Checked/Corrected by EXXAMM.com Team)

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