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23 November, 10:16

A right cylinder has a radius of 4 and a height of 11. What is its surface area?

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Answers (2)
  1. 23 November, 10:20
    0
    2 (π. r. r) + perimeter

    2.π. r. r + 2.π. r. t

    2.π. r (r + t)

    2.π.4 (4 + 11)

    2.π.4 (15)

    2.π.60

    120π cm^2

    120. 22/7

    = 377,142
  2. 23 November, 10:21
    0
    The area is about 376.99

    area ≈ 376.99
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