MathDB

Zeus’s lightning is made of a copper rod of length

60

by bending it

4

times in alternating directions so that the angle between two adjacent parts is always

60^o

. What is the minimum value of the square of the distance between the two endpoints of the lightning? All five segments of the lightning lie in the same plane. https://cdn.artofproblemsolving.com/attachments/5/1/a18206df4fde561421022c0f2b4332f5ac44a2.png

Problem Statement