Question Number 83102 by ajfour last updated on 28/Feb/20
Commented by ajfour last updated on 28/Feb/20
$$\mathrm{Find}\:\mathrm{side}\:\boldsymbol{\mathrm{s}}\:\mathrm{of}\:\mathrm{largest}\:\mathrm{equilateral} \\ $$$$\bigtriangleup\mathrm{ABC}\:\mathrm{whose}\:\mathrm{vertices}\:\mathrm{lie}\:\mathrm{on} \\ $$$$\mathrm{three}\:\mathrm{circles}\:\mathrm{of}\:\mathrm{radii}\:\mathrm{p},\mathrm{q},\mathrm{r}\:\mathrm{touching} \\ $$$$\mathrm{each}\:\mathrm{other}\:\mathrm{externally}. \\ $$
Commented by mr W last updated on 28/Feb/20
$${a}\:{very}\:{hard}\:{question}… \\ $$
Commented by ajfour last updated on 29/Feb/20
