If the centroid of an equilateral triangle is `(1,1)` and its one vertex is `(-1,2)` then the equation of the circumcircle is

If the centroid of an equilateral triangle is (1,1) and its one vertex is (-1, 2), then the equation of its circumcircle is: is x^2+y^2-2x-2y-3=0 b. x^2+y^2+2x-2y-3=0 c. x^2+y^2+2x+2y-3=0 d. none of these

If the centroid of an equilateral triangle is (1, 1) and its one vertex is (-1, 2), then the equation of the circumcentre is :

If the centroid of an equilateral triangle is (2, -2) and its one vertex is (-1, 1) , then the equation of its circumcircle is

If the centroid of an equilateral triangle is (2, -2) and its one vertex is (-1, 1) , then the equation of its circumcircle is

If the centroid of an equilateral triangle is (1,1) and its one vertex is (2,-1) , then equation of the circumcircle of the triangle is

If the centroid of an equilateral triangle is (1,1) and one of its vertices is (-1,2) then, equation of its circum circle is

If the incentre of an equilateral triangle is (1,1) and the equation of its one side is 3x+4y+3=0 then the equation of the circumcircle of the triangle is

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-

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-

One side of an equilateral triangle is 3x+4y=7 and its vertex is (1,2). Then the length of the side of the triangle is