Răspuns :
l=SP/2
P=4l=4*6=24
SP=P/2= 24/2=12
l=SP/2= 12/2=6
L=3l=3*6=18
P=2l+2L
P=2*6+2*18
P=12+36
P=48
P=4l=4*6=24
SP=P/2= 24/2=12
l=SP/2= 12/2=6
L=3l=3*6=18
P=2l+2L
P=2*6+2*18
P=12+36
P=48
Sp=6*4 : 2
Sp=24:2
Sp=12cm.
l dreptunghi = 12:2
l dreptunghi = 6cm.
L=3*6
L= 18cm
P=2(18+6)
P= 48cm
Sp=24:2
Sp=12cm.
l dreptunghi = 12:2
l dreptunghi = 6cm.
L=3*6
L= 18cm
P=2(18+6)
P= 48cm