Question-56639

Question Number 56639 by ajfour last updated on 20/Mar/19

Commented by ajfour last updated on 20/Mar/19

O u t e r c i r c l e h a s r a d i u s R .

I f a p a r a b o l a i s t a n g e n t t o

t h i s c i r c l e a t i t s v e r t e x, a n d

m a x i m u m r a d i u s a i s e q u a l

t o b, f i n d a a n d b i n t e r m s o f R .

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