Question Number 217843 by hardmath last updated on 22/Mar/25

Commented by AntonCWX8 last updated on 22/Mar/25

$${What}\:{does}\:{the}\:{R}\:{and}\:{r}\:{represents}? \\ $$
Commented by hardmath last updated on 22/Mar/25

$$ \\ $$R-radius of the circle drawn outward
r-radius of the inscribed circle
r(a);r(b);r(c) are the radii of circles drawn from outside to inside
r-radius of the inscribed circle
r(a);r(b);r(c) are the radii of circles drawn from outside to inside
Commented by mr W last updated on 22/Mar/25

$${R}={radius}\:{of}\:{circumcircle} \\ $$$${r}={radius}\:{of}\:{incircle} \\ $$$${r}_{{a}} ,{r}_{{b}} ,{r}_{{c}} ={radii}\:{of}\:{excircles} \\ $$
Commented by mr W last updated on 22/Mar/25

Commented by hardmath last updated on 22/Mar/25

$$\mathrm{solution}\:\mathrm{dear}\:\mathrm{professor} \\ $$