Given:

* Points: A(2, 3, 5)

* Plane: z = 0

We know, the distance of point (x₁,y₁,z₁) from the plane

is given by:

Putting the values

⟹

⟹ p = 5 units

∴ the distance of the point (2, 3, 5) from the xy–plane is 5 units