the diameter of a sphere d and curved surface area s then show that s=πd^ hence find the surface area of sphere whoes diameter is 4.2 cm
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Answered by
4
s.a of sphere =4πr²
=4x22/7×2.1x2.1
=4x22×0.3×2.1
=88×0.3×2.1
=55.44cm²
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no
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Answered by
0
Step-by-step explanation:
S.A of a sphere =
4×22/7 ×2.1×2.1
=4×22×0.3×2.1
=88× 0.63
=55.44
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