The diameter of the circle is 14 units
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14pi
Circumference = 48.262
area = pi*r*r r = diameter/2 r=7 7*7 = 49 49pi, or 153.9380400258998686846695257807 sq in
Well, darling, the surface area of a sphere is given by the formula 4πr², where r is the radius. So, if the surface area is 49π, then the radius squared is 49, making the radius 7 cm. Now, the volume of a sphere is (4/3)πr³, so plugging in a radius of 7 cm gives a volume of 179π cubic cm. Voilà!