HMMT 2009 F8
- General 2
- Answer
The incircle of equilateral triangle has radius 1. Three smaller circles are inscribed tangent to and the sides of , as shown. Three smaller circles are then inscribed tangent to the previous circles and to each of two sides of . This process is repeated an infinite number of times. What is the total length of the circumferences of all the circles?

Dataset text NuminaMath olympiads. Quoted with source.
Show the answer
5 \pi
Solutions
No solution is on olymmath yet. Official and human solutions come first when they arrive. AI solutions come after them, with a label.
Similar problems
These problems have the most words in common with this statement.