Răspuns :
L=4l
Perimetru =2(L+l)=2(4l+l)=2•5l=10l=24,4 m
l=24,4/10
l=2,44 m
L=4•2,44
L=9,76 m
Perimetru =2(L+l)=2(4l+l)=2•5l=10l=24,4 m
l=24,4/10
l=2,44 m
L=4•2,44
L=9,76 m
P = 24,4 = 2L + 2l si L = 4l
24,4 = 2x4l + 2l
24,4 = 8l + 2l
24,4 =10l
l = 2,44 m
L = 2,44x4 = 9,76 m
24,4 = 2x4l + 2l
24,4 = 8l + 2l
24,4 =10l
l = 2,44 m
L = 2,44x4 = 9,76 m