Question Number 182533 by Acem last updated on 10/Dec/22
$${If}\:{you}\:{walk}\:{around}\:{a}\:{triangle}\:{with}\:{sides}\:\mathrm{3},\:\mathrm{6},\:\mathrm{8} \\ $$$${respectively}\:{such}\:{a}\:{way}\:{that}\:{you}\:{keep}\:{a}\:{distance} \\ $$$$\:{of}\:\mathrm{3}{m}\:{from}\:{it},\:{then}\: \\ $$$$\:{how}\:{much}\:{distance}\:{will}\:{you}\:{travel}? \\ $$
Answered by mr W last updated on 11/Dec/22
$${always}\:={a}+{b}+{c}+\mathrm{2}\pi{d} \\ $$$$\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:=\mathrm{3}+\mathrm{6}+\mathrm{8}+\mathrm{2}\pi×\mathrm{3}=\mathrm{17}+\mathrm{6}\pi \\ $$
Commented by Acem last updated on 11/Dec/22
$${This}\:{is}\:{what}\:{i}\:{wanted}\:{to}\:{point}\:{out}\:{through}\:{a}\:{few} \\ $$$$\:{questions}\:{that}\:{the}\:{travelled}\:{distance}\:{is}: \\ $$$$\:\Sigma\:{Lenghts}\:{of}\:{the}\:{polygon}\:{sides}\:+\:\mathrm{2}\pi.\:\ell \\ $$$$\:{Thanks}! \\ $$