Convert 6R-6U to polar form.

The magnitude or the first polar coordinate is calculated using Pythagorean theorem

√ (6² + (-6) ²) = 8.45

The angle is calculated using the inverse tangent trigonometric function

θ = tan⁻¹ (6/-6) = - 45°

The polar form is written using the solved coordinates

8.45∠-45°