Find the volume and surface area of a sphere of radius 42 cm =
π=22/7
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volume = 4/3 πr³ = 4 x 22 x 42 x 42 x 42
7 x 3
= 310464cm³
surface area = 4πr² = 4 x 22 x 6 x 42
= 22176 cm²
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