Question Number 35178 by ajfour last updated on 16/May/18
Commented by ajfour last updated on 16/May/18
$${Find}\:{radius}\:{r}\:{of}\:{small}\:{circle} \\ $$$${in}\:{terms}\:{of}\:{triangle}\:{sides}, \\ $$$${a},\:{b},\:{c}\:. \\ $$
Question-35178