Odpowiedzi

2010-02-05T14:13:52+01:00
H = 14 dm = 140 cm = 1,4 m a = 140 + 10 = 150 cm = 1,5 m
P = ah
P = 1,4 * 1,5 = 2,1 (m2)
2010-02-05T14:15:39+01:00
P=a*h
h=14dm
a=14+h => a=15dm
p=210dm*dm
p=2,1m*m
2010-02-05T16:12:21+01:00
H=14dm
a=14+h
h=15dm
p=210dm*dm
p=2,1m*m