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31-05-2018
Mathematics

contestada

Multiple choice answer this question please

Multiple choice answer this question please class=

Respuesta :

01-06-2018

The surface area of a sphere is

4 π (radius)²

= 4 π (40 m)²

= 4 π (1600 m²)

= 6400 π m²

First choice.

Answer Link

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