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Pole= 2*3=6cm²
a drugi 3 cm
To tak:
P=3cm*2=6cm
Ob=3*2+2*2=6cm+4cm=10 cm ;D
(tan znak* to razy ; p)
P=a*b
P=2*3
P=6(cm)do kwadratu
obliczam obwód
Obw=2a+2b
Obw=2*2+2*3
Obw=4+6
Obw=10(cm)