Mathematics, 23.09.2021 21:20, trouse492

The surface area A of a sphere, expressed in terms of the radius r is given by the formula A = 4πr². (i) Express the radius of the sphere in terms of the surface area.
(ii) If the surface area of a sphere is 616 cm² , find its radius. take π = 22/7

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The surface area A of a sphere, expressed in terms of the radius r is given by the formula A = 4πr²....