1.

If each side of length 'a' of an equilateral triangle substends an angle of 60^(@) at the top of a tower h metrs heigh situated at the centre of the triangle then

Answer»

`3A^(2)=2h^(2)`
`2a^(2)=3H^(2)`
`a^(2)=3h^(2)`
`3a^(2)=h^(2)`

ANSWER :B


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