👤

va rog mult enorm dau coroana

Va Rog Mult Enorm Dau Coroana class=

Răspuns :

l1=2πr
l2=2*l1=4πr
l3=5*l1=10πr

l1+l2+l3=800⇒16πr=800⇒r=800/(16π)=50/π
deci, l1=2π*50/π=100m
         l2=2*l1=200m
         l3=5*l1=500m