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18 March, 07:06

If the diameter of a circle is 8 what is pi r2

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  1. 18 March, 08:22
    0
    [tex] {Radius = Diameter / div 2 / newline Radius = 8 / div 2 / newline Radius = 4 / newline / newline Area = / pi r^2 / newline Area = / pi / times 4^2 / newline Area = / pi / times 16 / newline / underline{/underline{Area = 50.27 (2d. p) }}}
  2. 18 March, 10:43
    0
    the answer is 100.53
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