SOLUTION: Write an equation for Center (-3,5) with a circumference of 8 pie units

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Question 378091: Write an equation for
Center (-3,5) with a circumference of 8 pie units
Answer by robertb(5830) About Me  (Show Source):
You can put this solution on YOUR website!
If the circumference is 8%2Api, then C+=+2%2Api+%2A+r+=+8%2Api, or r = 4, the radius. The equation of the circle is then r%5E2+=+%28x-h%29%5E2+%2B+%28y-k%29%5E2, or %28x+-+-3%29%5E2+%2B+%28y+-+5%29%5E2+=+4%5E2, or %28x+%2B+3%29%5E2+%2B+%28y+-+5%29%5E2+=+16.