Find the surface area of a sphere with a diameter of 12 mm.

Question

Find the surface area of a sphere with a diameter of 12 mm.

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niczorrrr 3 years 2021-07-29T01:51:16+00:00 2 Answers 8 views 0

Answers ( )

  1. danthu
    0
    2021-07-29T01:52:22+00:00
    Reply

    Answer:

    1809.5574 mm²

    Step-by-step explanation:

    Input Data :

    Length = 12 mm

    Objective :

    Find what is the surface area of the sphere for given input data?

    Formula :

    Surface Area = 4πr2

    Solution :

    Surface Area = 4 x 3.1416 x 122

    = 4 x 3.1416 x 144

    Surface Area = 1809.5574 mm²

  2. taiduc
    0
    2021-07-29T01:52:53+00:00
    Reply

    Answer:

    A≈4.52×10-4m²

    Step-by-step explanation:

    Unit Conversion:

    d=0.012m

    Using the formulas

    A=4πr2

    d=2r

    Solving for A

    A=πd2=π·0.0122≈4.52389×10-4m²

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