Find the length of the radius for this circle.
(x - 3)² + (y - 5)² = 8
(x - 3)² + (y - 5)² = 8
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2 root 2
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Crazy that an answer with no working is chosen as best.
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The equation of a circle is (x - a)² + (y - b)² = r², where r is the radius.
r² = 8
r = √8
r = 2√2
r² = 8
r = √8
r = 2√2
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Where is your attempt?
Learn how it's done. Follow the link below:
http://facstaff.gpc.edu/~mhall/online/math99/circle/circle.htm
Learn how it's done. Follow the link below:
http://facstaff.gpc.edu/~mhall/online/math99/circle/circle.htm
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sqrt(8)