MATHS

Asked by MrLower Bound: C = 404.5 mm D = 125 mm Upper Bound: C = 405.5 mm D = 135 mm Circumference is rounded to the nearest 1mm, therefore when working out the boundaries for that you do +/- 0.5 (half of 1) Diameter is rounded to the nearest 10mm, therefore when working out boundaries for that you do +/- 5 (half of 10) Hope this helps :)

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