Respuesta :

Hrishii

Answer:

[tex] 1,017.36 \: {cm}^{2} [/tex]

Step-by-step explanation:

Surface area of a sphere

[tex] = 4\pi {r}^{2} \\ = 4 \times 3.14 {(6)}^{2} \\ = 12.56 \times 81 \\ = 1,017.36 \: {cm}^{2} [/tex]

VirαtKσhli

Answer:

1017.36 cm²

Step-by-step explanation:

Given :-

  • Radius = 9cm .

We know ,

  • SA = 4π r²
  • SA = 4* 3.14 * (9cm)²
  • SA = 4 *3.14*81cm²
  • SA = 1017.36 cm²