calculati lungimile laturilor unui dreptunghi cu perimetrul 44 m

Răspuns :


l=5/6*Lp=2L+2lp=2L+10/6Lp=2L+5/3L3p=6L+5L3p=11L3*44=11LL=(88+44)/11L=132/11L=12.l=(5*12)/6l=10.L= Lungimeal= latimea
l=5L/6=> P=44=> L+l=44/2=22=> L+5L/6=22=> 6L+5L=132=> 11L=132=> L=12=> l=5×12/6 l=10