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If one vertex of an equilateral triangle...

If one vertex of an equilateral triangle is at `(2.-1)` 1base is `x + y -2 = 0`, then the length of each side, is

A

`sqrt(3//2)`

B

`sqrt(2//3)`

C

`2//3`

D

`3//2`

Text Solution

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The correct Answer is:
B
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