debbychuks0 debbychuks0

19-08-2020
Mathematics

contestada

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

Respuesta :

19-08-2020

Answer:

113cm²

Step-by-step explanation:

Area = 4 π r²

= 4 * 3.142 * 3²

= 113.112 cm²

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