Question

25. Find the volume and surface area of a sphere of radius 42 cm.​

Answer 1

Answer:

the ans is 3.5 ×10to the power 5

Answer 2

HeYa❤️...

Answer:

$radius(r) = 42cm \\ \\ volume \: of \: sphere \: = \frac{4}{3} \pi \: r {}^{3} \\ \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: = \frac{4}{3} \times \frac{22}{7} \times 42 \times 42 \times 42 \\ \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: = 3.1 \times 10 {}^{5} \\ \\ \\ surface \: are \: of \: sphere = 4\pi \: r {}^{2} \\ \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: = 4 \times \frac{22}{7} \times 42 \times 42 \\ \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: = 22167.08$

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