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24 June, 03:53

What is the area of a circle if the diameter is 16 millimetres

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  1. 24 June, 06:27
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    201.1 mm²

    Step-by-step explanation:

    given that the diameter is 16mm,

    radius = diameter : 2 = 16:2 = 8 mm

    area of a circle is given by

    A = πr², where

    π=3.142

    r = radius = 8 mm

    Substituting these into the equation,

    A = πr²

    = 3.142 (8) ²

    = 201.088 mm²

    = 201.1 mm² (rounded to nearest tenth)
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