How do I convert the polar equation r=10 to its Cartesian equivalent?

1 Answer
Oct 2, 2014

$r = 10$

$\sqrt{{x}^{2} + {y}^{2}} = 10$

square both sides

${\left(\sqrt{{x}^{2} + {y}^{2}}\right)}^{2} = {10}^{2}$

${x}^{2} + {y}^{2} = 100$