An equilateral trinalge is inscribed in the parabola `y^2 = -8x`, where one vertex is at the vertex of the parabola. Find the length of the side of the tringle.

An equilateral triangle is inscribed in the parabola y^2=4 a x , where one vertex is at the vertex of the parabola. Find the length of the side of the triangle.

An equilateral triangle is inscribed in the parabola y^2 = 4 ax , where one vertex is at the vertex of the parabola. Find the length of the side of the triangle.

An equilateral triangle is inscribed in the parabola y^(2)=4ax , where one vertex is at the vertex of the parabola. Find the length of the side of the triangle.

An equilateral triangle is inscribed in the parabola y^(2) = 4ax , where one vertex is at the vertex of the parabola. Find the length of the side of the triangle.

An equilateral triangle is inscribed in the parabola y^(2)=4ax , where one vertex is at the vertex of the parabola. Find the length of the side of the triangle.

An equilateral triangle is inscribed in the parabola y^(2)=4ax , where one vertex is at the vertex of the parabola. Find the length of the side of the triangle.

An equilateral triangle is inscribed in the parabola y^(2)=4ax where one vertex is at the vertex of the parabola.Find the length of the side of the triangle.

An equilateral triangle is inscribed in the parabola y^(2) = 4ax whose vertex is at the vertex of the parabola. Find the length of its side.