Respuesta :

Diammeter = 4.2 inch

Radius = diammeter/2 = 4.2/2 =2.1 inch

[tex]\text{Circumference =2}\times\text{ }\pi\times r[/tex][tex]\begin{gathered} \pi\text{ = 3.14} \\ \text{Circumference = 2 }\times3.14\times2.1\text{ =13.188 inches} \end{gathered}[/tex]

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