hello201876 hello201876
  • 17-04-2019
  • Mathematics
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A sphere has the volume given. Fine it’s surface area to the nearest whole number. V=140cm^3

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mkryukova19 mkryukova19
  • 17-04-2019

Answer:

130 cm^2

Step-by-step explanation:

[tex]V(sphere)=\frac{4}{3} \pi r^3\\r^3=\frac{3}{4\pi } V\\r=\sqrt[3]{\frac{3}{4\pi } V}=\sqrt[3]{\frac{3}{4\pi } 140}=3.2212 cm\\  A=4\pi r^2=4\pi (3.2212)^2=130 cm^2[/tex]

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