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

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

A

`(2)/(sqrt15)`

B

`(2sqrt2)/(sqrt15)`

C

`2sqrt((5)/(3))`

D

`sqrt5`

Text Solution

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The correct Answer is:
C
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