Question

Find the curved surface area of a cone whose slant height

is 11 cm and the base radius of the cone is 7 cm.​

Answer 1

$\huge\bf\underline{\red{A}\green{n}\orange{s}\pink{w}\purple{e}\blue{r❣}}$

A≈395.84cm²

A=πrl+πr2=π·7·11+π·72≈395.84067cm²

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