Equation of line is

_{And the equation of the plane is}

As we know that the angle θ between the line and a plane a₂x + b₂y + c₂z + d₂ = 0 is given by

Here, a₁ = 1, b₁ = 1 and c₁ = 1

and a₂ = 2, b₂ = 3 and c₂ = 4

_{The angle between them is given by}