1:3
15cm : 3 = 5cm
18cm : 3 = 6cm
(5cm x 2) + (6cm x 2) = 10cm + 12cm = 22cm
Obwód tego prostokata wynosi 22cm.
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1:3
15cm : 3 = 5cm
18cm : 3 = 6cm
(5cm x 2) + (6cm x 2) = 10cm + 12cm = 22cm
Obwód tego prostokata wynosi 22cm.