Question

find the surface area and volume of sphere of the following radii
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Answer 1

Answer:

$radius \: (r) = 3.5cm \\ and \: surface \: area \: of \: sphere = 4\pi \: r \\ so \: = 4 \times 3.14 \times 3.5 = 43.96cm {}^{2} \\ and \: volume \: = \frac{4}{3} \pi \: r {}^{3} \\ = \frac{4}{3} \times 3.14 \times 3.5 \times 3.5 \times 3.5 \\ = 179.5cm {}^{3}$

Answer 2

Answer:

This is my answer

Step-by-step explanation:

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