Odpowiedzi

2010-03-22T21:00:27+01:00
A=5,5cm
b=3cm
c=12cm

Pb= 2*(5,5cm*12cm)+ 2*(3cm*12cm)=2*66cm+ 2*36cm=132cm+72cm=204cm
2010-03-22T21:00:29+01:00
Pb = Obw podstawy * H
Obw = 5 cm + 5 cm + 3 cm + 3 cm = 16 cm
Pb = 16 cm * 12 cm = 192 cm kwadratowych
Pozdrawiam;*
2010-03-22T21:41:43+01:00
Pole boczne
a=5,5cm
b=3cm
h=12cm
Pb=2*a*h+2*b*h
Pb=2*5,5*12+2*3*12
Pb=132+72cm
Pb=204cm