Find the T.S.A of a cone of radius 2r and slant height 1/2
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2pi x r(16r-1/4) I thought its correcto
krishnakumarpaleri:
Thank you
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TSA of a cone formulae is πr(l+r)
= π×2r(1/2+2r)
= π×2r(1/2+2r)
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