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How can we find the total surface area of a cone? explain in brief.​

How can we find the total surface area of a cone? explain in brief.​
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How can we find the total surface area of a cone? explain in brief.​

User Alexandre Landim
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8.9k points

1 Answer

11 votes

Let's find


\\ \rm\rightarrowtail TSA=LSA+Area\:of\:base

  • Base is a circle
  • LSA=πrl


\\ \rm\rightarrowtail TSA=\pi rl+\pi r^2


\\ \rm\rightarrowtail TSA=\pi r(l+r)

User John Morrison
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