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The base of an equilateral triangle with...

The base of an equilateral triangle with side 2a lies along the y-axis such that the mid-point of the base is at the origin. Find vertices of the triangle.

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The correct Answer is:
`(0, a), (0, -a) " and " (- sqrt3 a, 0) " or " (0, a) , (0, -a) , " and " (sqrt 3a , 0)`
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