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04-03-2022
Mathematics

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

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Аноним Аноним

05-03-2022

Let's find

[tex]\\ \rm\rightarrowtail TSA=LSA+Area\:of\:base[/tex]

Base is a circle
LSA=πrl

[tex]\\ \rm\rightarrowtail TSA=\pi rl+\pi r^2[/tex]

[tex]\\ \rm\rightarrowtail TSA=\pi r(l+r)[/tex]

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