Răspuns :
a) S
b) [PS]
c)
0,5dm=5cm=50mm
0,04m=4cm=40mm
Perimetrul = 50+40+70 = 160 mm =16cm
b) [PS]
c)
0,5dm=5cm=50mm
0,04m=4cm=40mm
Perimetrul = 50+40+70 = 160 mm =16cm