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Identify the radius of the circle whose equation is (x - 2)^2 + (y - 8)^2 = 16.

User Kathrin
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1 Answer

3 votes
the radius is 4
the equation of a circle is (x-h)^2+(y-k)^2=r^2
in this case, 16=r^2
so r=4
User Matt Joiner
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