oblicz pole powierzchni porostopadloscianu
1m x 6m x 7m 11cm x 9cm x 3cm
4cm x 4cm x 7cm 3m x 10cm x 2m
" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
----------------------------------------------------------------
a=1 m, b=6 m, c=7 m
Pc=2*(1*6+1*7+6*7)
Pc=2*(6+7+42)
Pc=2*55
Pc=120 m^2
----------------------------------------------------------------
a=11 cm, b=9 cm, c=3 cm
Pc=2*(11*9+11*2+9*3)
Pc=2*(99+33+27)
Pc=2*159
Pc=318 cm^2
----------------------------------------------------------------
a=4 cm, b=4 cm, c=7 cm
Pc=2*(4*4+4*7+4*7)
Pc=2*(16+28+28)
Pc=2*72
Pc=144 cm^2
----------------------------------------------------------------
a=3 m=30 dm
b=10 cm=1 dm
c=2 m=20 dm
Pc=2*(30*1+30*20+1*20)
Pc=2*(30+600+20)
Pc=2*650
Pc=1300 dm^2
Pp= 2(1*6 + 6*7 + 7*1) = 2 (6+42+7) = 2*55 = 110 m^2
Pp= 2(11*9 +9*3 + 11*3) = 2 (99+27+33) = 2*156 = 312 m^2
Pp = 2 (4*4 +4*7 +7*4) = 2 (16+28+28) = 2*72 = 144 m^2
Pp= 2 (3*10 +10*2 + 2 *3) = 2 (30+20+6) = 2*56 = 112 m^2