Kusurwa da ta wuce 180∘: r=5, θ=235∘. Ku danna , ku rubuta 5,,235, sannan da . Allon yana nuna X: −2.867882182 Y: −4.095760221., yana bayar da −2.867882182, sannan , yana bayar da −4.095760221.235∘ yana nuni zuwa kwata ta uku, don haka duka x da y masu debe ne.