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Each side of a square substends an angle...

Each side of a square substends an angle of `60^@` at the top of a tower h metres h metres high standing in the centre of the square . If a is the length of each side of the square , then

A

`2 a^2 = h^2`

B

`2h^2 = a^2`

C

`3a^2 =2h^2`

D

`2h^2 =3a^2`

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The correct Answer is:
D
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OBJECTIVE RD SHARMA-HEIGHTS AND DISTANCES-Exercise
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