Odpowiedź:
trojkat a x h/2 P = 3x3 / 2, P=4,5cm
kwasrat a x a P= 1x1 p=1cm
4,5+1=5,5cm
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Odpowiedź:
trojkat a x h/2 P = 3x3 / 2, P=4,5cm
kwasrat a x a P= 1x1 p=1cm
4,5+1=5,5cm