Respuesta :

musiclover10045

surface area = 4 x pi x r^2

 diameter = 1 so radius = 1/2 = 0.5

4 x 3.14 x 0.5^2 = 3.14 meters^2
Surface area of a sphere = 4 pi r^2

when r = 1/2  meter  ( because diameter = 2r = 1)  the surface area
              
  =   4 * 3.14 * 0.5^2  =  3.14 square meters

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