12574187 12574187

08-01-2021
Mathematics

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what is the area of a circle that has 0.5mm

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harleydavis70 harleydavis70

08-01-2021

A = πr2 = π(d2)2

A = C24π

π = 3.1415

A = area

C = circumference or perimeter

r = radius, d = diameter

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