Kwadrat:
6:3=2cm
Ob=4a
Ob=4·2=8cm
(narysuj kwadrat o boku 2 cm)
Prostokąt:
9:3=3cm
Ob=2a+2b
Ob=2·2cm + 2·3cm= 4cm + 6 cm = 10 cm
(narysuj prostokąt o boku a=2cm, b=3cm)
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Kwadrat:
6:3=2cm
Ob=4a
Ob=4·2=8cm
(narysuj kwadrat o boku 2 cm)
Prostokąt:
6:3=2cm
9:3=3cm
Ob=2a+2b
Ob=2·2cm + 2·3cm= 4cm + 6 cm = 10 cm
(narysuj prostokąt o boku a=2cm, b=3cm)