Odpowiedzi

2009-12-13T14:32:16+01:00
H=2m
a=3m
h^2=1.5^2 + 2^2
h= 2.5m

P= 4 x 1/2a x h
P= 15m^2
2009-12-13T14:36:51+01:00
Pc = Pp + Pb
Pp = 3m *3m
Pp = 9m²
Pb = 4 * (3²*√3)/4
Pb = 9√3
Pc = 9m² + 9√3m²