Odpowiedzi

2010-01-19T16:17:45+01:00
A=6,h=2,5, H=17
Pc=2*Pp+pb
Pp=1/2*6*2,5=7,5
7,5*2=15
pB=17*6=102
102*3=306
Pc=15+306=321
2010-01-19T16:21:10+01:00
2,5 x 6
______ = 7,5
2

7,5 x 2 = 15cm 2

6 x 17= 102 cm 2

102 x 2 = 204 cm 2

204cm + 15 = 219 cm 2
2010-01-19T16:54:56+01:00
A=6,h=2,5, H=17
Pc=2*Pp+pb
Pp=1/2*6*2,5=7,5
7,5*2=15
pB=17*6=102
102*3=306
Pc=15+306=321