Răspunsuri

2014-06-13T20:38:53+03:00
L/(1/3)=3L=K  L=K/3
l/1/4=4l =K  l=K/4
K/3.K/4=108
K²=108.3.4=1296
K=36
L=K/3=12
l=K/4=9
L cu l si diagonala formeaza un tr dreptunghic in care cu Pitagora avem
d²=144+81=225
d=15 iar r=d/2=7,5