Robin is a competitive archer. The graph below is a record of Robin's last three arrows, where (0,0)(0,0)left parenthesis, 0, comma, 0, right parenthesis is the center of the bullseye. 3 points on a coordinate plane. The point labeled, "Arrow A," is at -5, 4. The point labeled, "Arrow B," is at 5, -5. The point labeled, "Arrow C," is at -2, -6.

Graph units are in centimeters.
What is the distance of Robin's closest arrow from the center of the bullseye?
Round the final answer to the nearest tenth of a centimeter. Do not round intermediate calculations.