a)P=25cm2
Bok = 5cm, bo 5*5=25
O (obwód)=4*5=20cm
b)Pole prostokąta=405cm
prostokąt=5 kwadratów
Pole kwadratu-405:5=81cm2
Bok kwadratu=9, bo 9*9=81
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a)P=25cm2
Bok = 5cm, bo 5*5=25
O (obwód)=4*5=20cm
b)Pole prostokąta=405cm
prostokąt=5 kwadratów
Pole kwadratu-405:5=81cm2
Bok kwadratu=9, bo 9*9=81