POZIOM B
a) a = 4cm, h = 9mm (0,9cm)
P = 4cm * 0,9cm = 3,6cm2
b) a = 3cm, h = 2,1dm (21cm)
P = 3cm * 21cm = 63cm2
c) a = 5dm (50cm), h = 8mm (0,8cm)
P = 50cm * 0,8cm = 40cm2
d) a = 1,1cm, h = 4mm (0,4cm)
P = 1,1cm * 0,4cm = 0,44cm2
e) b = 4,5cm, h = 2dm (20cm)
P = 4,5cm * 20cm = 90cm2
f) a = 6,3cm, h = 5mm (0,5cm)
P = 6,3cm * 0,5cm = 3,15cm2
g) a = 12cm, h = 0,4m (40cm)
P = 12cm * 40cm = 480cm2
h) a = 1,3m (130cm), h = 8dm (80cm)
P = 130cm * 80cm = 10 400 cm2