1.

If each side of length a of an equilateral triangle subtends an angle of 60^(@) at the top of a tower h meter high situated at the centre of the triangle, then

Answer»

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

ANSWER :B


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