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7 April, 16:10

Find the surface area of a cylinder with diameter 5.8 mm and height 11.9 mm.

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Answers (2)
  1. 7 April, 17:39
    0
    A = 2πrh + 2πr²

    Radius = 1/2 diameter

    Radius = 1/2 (5.8)

    Radius = 2.9

    A = 2 (3.14) (2.9) (11.9) + 2 (3.14) (2.9) ²

    A = 216.7228 + 52.8148

    A = 269.5376mm²
  2. 7 April, 18:32
    0
    Radius=5.8/2=2.9 mm

    Surface area=2πr (h+r)

    =2*3.14*2.9 (11.9+2.9)

    =6*41.18*14.8

    =3656.784 mm²
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