Math, asked by naveenkanojia037, 2 months ago

please give me connect option please....

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Answered by AbhinavRocks10

3

Answer:

$Total \: surface \: area \: of \: cone \: = \: πr(r+l)</p><p></p><p>$

$Given, radius =2r and slant height =2l</p><p>Therefore new total surface area of cone =π2r(2r+2l)</p><p>=π(4r2+rl)</p><p></p><p>=πr(l+4r)</p><p></p><p>$

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