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what is the radius of the circle if the given is x²+y²=49

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VilesXviz
Standard equation of a circle is (x-h)^2+(y-k)^2=r^2..... where r^2=49 from the given equation..... r^2=Squareroot of 49.... r = 7.... sorry im using mobile so its hard to type the answer..radius is 7..