Question

Circumference of a Coin: The $1 coin here depicts Sacagawea and her infant son. The diameter of the coin is 26.5 millimeters. Find the circumference. Use 3.14 for π and round to at least 1 decimal place.



The circumference is millimeters.

Answer 1

@Michele_Laino

Answer 2

the requested sircumference, is given by the subsequent formula:
\[\Large \begin{gathered}
circumference = 2 \times \pi \times R = \hfill \\
= \frac{{2 \times 3.14 \times 26.5}}{2} = ...? \hfill \\
\end{gathered} \]

Answer 3

L=2*π*r, where r=0.0265m, than L=2*π*0.0265m<=>L=π0.053m