Problem

2026 AMC 8 Problem 23

Lakshmi has 5 round coins of diameter 4 centimeters. She arranges the coins in 2 rows on a table top, as shown below, and wraps an elastic band tightly around them. In centimeters, what will be the length of the band?

Problem 23 diagram

\textbf{(A)} 2\pi + 20 \qquad \textbf{(B)} \dfrac{5}{2}\pi + 20 \qquad \textbf{(C)} 4\pi + 20 \qquad \textbf{(D)} \dfrac{9}{2}\pi + 20 \qquad \textbf{(E)} 5\pi + 20


Full credit goes to MAA for authoring these problems. These problems were taken on the AOPS website.


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