Răspuns :
Perimetrul(2×l+2×L)=44 cm
Semiperimeteul(L+l)=44:2=22 cm
latimea : |__|
lungimea |__|+4 } total 22
22-4=18 (2 segmente egale )
18÷2=9 (1 segment )
lățimea =9 cm
lungimea=9+4=13 cm
Semiperimeteul(L+l)=44:2=22 cm
latimea : |__|
lungimea |__|+4 } total 22
22-4=18 (2 segmente egale )
18÷2=9 (1 segment )
lățimea =9 cm
lungimea=9+4=13 cm
P=44
Semiperimetrul =44:2=22
L+l=22
L=l+4
l + (l+4)=22
l+l=18
l=9
L=9+4=13
L=13