Obw = 60 cm a = 60 cm : 4 a = 15 cm P = 0,5 x a x d P = 0,5 x 15 cm x 10 cm P = 30 cm Odp.: Pole rombu wynosi 30 cm.
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Obw = 60 cm
a = 60 cm : 4
a = 15 cm
P = 0,5 x a x d
P = 0,5 x 15 cm x 10 cm
P = 30 cm
Odp.: Pole rombu wynosi 30 cm.