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Mathematics 7 Online
OpenStudy (anonymous):

I got B? I'll give you a medal & fan!(:

OpenStudy (anonymous):

OpenStudy (anonymous):

The answer is C. r = 2*3 which is 6 which squared is 36

geerky42 (geerky42):

x² + y² = r² Where r represents radius. So you have an equation x² + y² = 9 r² = 9 r = √9 = 3. Twice the radius. r is now 6. r² = 6² = 36 Answer: x² + y² = 36 Is this clear?

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