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8 March, 08:07

What is the surface area of a cylinder with a height of 9.5 inches and a radius of

2.5 inches?

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Answers (2)
  1. 8 March, 09:19
    0
    188.4 inches squared

    Step-by-step explanation:

    to calculate the surface area of a cylinder given that

    height of the cylinder = 9.5 inches

    radius = 2.5 inches

    recall that the formulae for calculating the surface area of a cylinder = 2πrh + 2πr2

    surface area of a cylinder = 2πrh + 2πr²

    surface area of a cylinder = 2 x 3.14 x 2.5 x 9.5 + 2 x 3.14 x (2.5) ²

    surface area of a cylinder = 6.28 x 2.5 x 9.5 + 6.28 x 6.25

    surface area of a cylinder = 149.15 inches² + 39.25inches²

    surface area of a cylinder = 188.4 inches²
  2. 8 March, 11:23
    0
    surface area of a cylinder = 188.4 inches²

    Step-by-step explanation:

    to calculate the surface area of a cylinder given that

    height of the cylinder = 9.5 inches

    radius = 2.5 inches

    recall that the formulae for calculating the surface area of a cylinder = 2πrh + 2πr²

    surface area of a cylinder = 2πrh + 2πr²

    surface area of a cylinder = 2 x 3.14 x 2.5 x 9.5 + 2 x 3.14 x (2.5) ²

    surface area of a cylinder = 6.28 x 2.5 x 9.5 + 6.28 x 6.25

    surface area of a cylinder = 149.15 inches² + 39.25inches²

    surface area of a cylinder = 188.4 inches²
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