The equation of the base of an equilateral triangle is `x+y-2=0` and the opposite vertex his coordinates (2, -1). Find the area of he triangle.

The equation of the base of an equilateral triangle is x+y-2=0 and the opposite vertex has coordinates (2, -1). Find the area of the triangle.

The equation to the base of an equilateral triangle is x+y=2and its vertex is at (2,-1) . Find the length of a side of the triangle.

The base of an equilateral triangle x + y = 2 = 0 and opposite vertex is (2 , - 1). Find the equations of the remaining sides .

The equation of the base of an equilateral triangle is x+y=2 and its vertex is (2,-1). Find the length and equations of its sides.

The equation to the base of an equilateral triangle is 4x-3y+10=0 and its vertex is at (-2,-1), find the length of a side of the triangle.

The equation to the base of an equilateral triangle is (sqrt3+1)x+(sqrt3-1)y+2sqrt3=0 and opposite vertex is A(1,1) then the Area of the trangle is

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.