The surface area of a sphere is 4πr^2 A sphere has a radius (r) that measures 3cm Use π= 3.142 or 22/7 . Work out the surface area of the sphere to the nearest cm^2
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Step-by-step explanation:
S.A OF sphere = 4πr^2 sq. Units
= 4 ×3.14 × 9
= 113.04 sq units
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