Question Number 142863 by mathsuji last updated on 06/Jun/21
Answered by mnjuly1970 last updated on 06/Jun/21
$$\:\:\:\:\:\frac{\mathrm{2}\left({R}+{r}\right)}{{F}\rightarrow!!!??} \\ $$
Commented by mathsuji last updated on 06/Jun/21
$${Sir},\:{given}\:{condition}\:{is}\:{in}\:{the}\:{picture} \\ $$
Commented by mr W last updated on 06/Jun/21
$${in}\:{the}\:{question}\:{F}\:{is}\:{a}\:{point}.\:{but}\:{what} \\ $$$${is}\:{the}\:{F}\:{in}\:{the}\:{equation}?\:{perhaps}\:{F} \\ $$$${is}\:{the}\:{area}\:{of}\:{the}\:{triangle},\:{then}\:{you} \\ $$$${should}\:{make}\:{it}\:{clear},\:{otherwise} \\ $$$${how}\:{can}\:{other}\:{people}\:{know}? \\ $$
Commented by mnjuly1970 last updated on 06/Jun/21
$$\:{grateful}\:{mr}\:{W}\:…{thanks}\:{alot}\:{for} \\ $$$${your}\:\:{explanations}\:{and}\:{clarifications}… \\ $$
Commented by mathdanisur last updated on 08/Jun/21
$${F}\:{ABC}\:{triangle}\:{area} \\ $$