The modulus of the complex number can be seen as the distance from the origin 0 to the point $x$ in the complex plane. This can be calculated using the Pythagorean theorem: $c^2 = a^2 + b^2$, which means $ c = \sqrt{a^2 + b^2}$

@[solution]({"id": "complex_arithmetic__complex_modulus_solution", "codePath": "Solution.qs"})
