Odpowiedź:
a)
Pp = 8*6/2 = 48/2 = 24 [cm2]
Pb = 6*9 + 8*9 + 10*9 = 54 + 72 + 90 = 216 [cm2]
Pc = 216 + 2*24 = 216 + 48 = 264 [cm2]
b)
Pp = (13+7)*4/2 = 20*4/2 = 80/2 = 40 [cm2]
Pb = 12*3 + 12*7 + 12*5 + 12*13 = 36 + 84 + 60 + 156 = 336 [cm2]
Pc = 2*40 + 336 = 80 + 336 = 416 [cm2]
mam nadzieje że pomogłam i liczę na naj
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Odpowiedź:
a)
Pp = 8*6/2 = 48/2 = 24 [cm2]
Pb = 6*9 + 8*9 + 10*9 = 54 + 72 + 90 = 216 [cm2]
Pc = 216 + 2*24 = 216 + 48 = 264 [cm2]
b)
Pp = (13+7)*4/2 = 20*4/2 = 80/2 = 40 [cm2]
Pb = 12*3 + 12*7 + 12*5 + 12*13 = 36 + 84 + 60 + 156 = 336 [cm2]
Pc = 2*40 + 336 = 80 + 336 = 416 [cm2]
mam nadzieje że pomogłam i liczę na naj