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If one vertex of an equilateral triangle...

If one vertex of an equilateral triangle of side 'a' lie at the origin and the other lies on the line `x-sqrt3 y = 0`, the co-ordinates of the third vertex are:

A

(0, a)

B

`( sqrt(3) a)/(2) , - a/2 )`

C

(0, –a)

D

`( - (sqrt(3)a )/(2) , a/2) `

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The correct Answer is:
A, B, C, D
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