kreisumfang 9x^2+9y^2+18x-18y+14=0

Lösung

kreisumfang

9 x^{2} + 9 y^{2} + 18 x - 18 y + 14 = 0

C = \frac{4 π}{3}

Schritte zur Lösung

C = 2 π r

Finde den Radius

Radius given

9 x^{2} + 9 y^{2} + 18 x - 18 y + 14 = 0 : r = \frac{2}{3}

C = 2 π \frac{2}{3}

Fasse zusammen

C = \frac{4 π}{3}

c i rc u m f ere n ce (x - 3)^{2} + (y - 2)^{2} = 9

c i rc u m f ere n ce x^{2} + 8 x - 6 y + y^{2} - 11 = 0

c i rc u m f ere n ce (x - (- 1))^{2} + (y - 2)^{2} = 6^{2}

c i rc u m f ere n ce (x - 1)^{2} + (y - 6)^{2} = 25

c i rc u m f ere n ce x^{2} + y^{2} - 18 x - 6 y - 10 = 0