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Yuliya22 [10]
3 years ago
8

Surface Area of cones

Mathematics
1 answer:
kvv77 [185]3 years ago
6 0

9514 1404 393

Answer:

  64.1 ft²

Step-by-step explanation:

The area of the cone is given by ...

  A = πr(r +h) . . . . for radius r and slant height h

  A = π(2 ft)(2 ft +8.2 ft) ≈ 64.1 ft²

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