Math, asked by sy160170, 1 year ago

Find the volume and surface area of sphere of radius 8.6cm (take pie = 3.14).

Answers

Answered by nikki200414
5

volum \: of \: sphere =  \frac{4}{3} \gamma\pi {r}^{3}  \\   \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  =  \frac{4}{3} \times 3.14 \times  {3.6}^{3}   \\   \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  =  \frac{3.14}{15}  \times 46.656 \\   \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \: = 9.76 \\  \\  \\  \\  \\  \\ surface \: area \:  = 4\pi {r}^{2}  \\   \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \: = 4 \times 3.14 \times  {3.6}^{2}  \\  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \: \:  \:  \:  \:  \:  \:  \:  \:    = 162.77i have this will help you


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