Mathematics, 29.12.2020 05:40, sCoTtYbOy5329

The total surface area of a cone whose radius is 2 r and slant height 2l is (A) 2πr (l + r)
(B) πr (l + 4 r )
(C) πr (l + r)
(D) 2πrl

Answers: 3

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The total surface area of a cone whose radius is 2 r and slant height 2l is (A) 2πr (l + r)
(B...