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27 March, 09:22

One link in a chain was made from a cylinder that has a radius of 3 cm and a height of 25 cm. How much plastic coating would be needed to coat the surface of the

chain link? Use 3.14 for TT.

O

O251.2 cm

O 314 cm?

O 345.4 cm

471 cm

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Answers (1)
  1. 27 March, 12:32
    0
    Answer: 471 cm

    Step-by-step explanation:

    Surface Area of Cylinder = 2πrh + 2πr^2

    Since we are only finding the surface area on the outside of the cylinder, it's just 2πrh

    3.14 * 2 = 6.28

    6.28 * 3 = 18.84

    18.84 * 25 = 471
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