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If the equation of the base of an equila...

If the equation of the base of an equilateral triangle is `x+y=2` and the vertex is `(2,-1)` then find the length of the side of the triangle.

A

`sqrt((3)/(2))`

B

`sqrt((2)/(3))`

C

`(3)/(2)`

D

None of these

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The correct Answer is:
B
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