An equilateral triangle with unit side is completely covered by six identical circles.
What is the smallest radius of each of the circles?
Assuming the circles are at the vertices and on the middle of each side:
sqrt3/6, i.e. one-third the height of the triangle.
Edited on July 16, 2016, 7:56 am
Posted by broll
on 2016-07-16 07:52:05