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Question-217843




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?
$${What}\:{does}\:{the}\:{R}\:{and}\:{r}\:{represents}? \\ $$
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 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
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
$${R}={radius}\:{of}\:{circumcircle} \\ $$$${r}={radius}\:{of}\:{incircle} \\ $$$${r}_{{a}} ,{r}_{{b}} ,{r}_{{c}} ={radii}\:{of}\:{excircles} \\ $$
Commented by mr W last updated on 22/Mar/25
Commented by hardmath last updated on 22/Mar/25
solution dear professor
$$\mathrm{solution}\:\mathrm{dear}\:\mathrm{professor} \\ $$

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