Question

The radius of cone is 7 cm and slant height 10 cm . Find total surface area

Answer 1

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Answer 2

$\pi \: r(r + l) \\ 22 \div 7 \times 7(7 + 10) \\ 22 \times 17 \\ 374 \\ \\ \: \\ 374cm {}^{2} is \: total \: surface \: area \: of \: cone$