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The rquation of a citcle is x^2+y^2=16 what is the radius of the circle
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The rquation of a citcle is x^2+y^2=16 what is the radius of the circle

User Eliwedel
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The radius is 4 because the original equation is x^2+y^2=r^2. So the sqrt of 16 is 4.
User Vaelyr
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