48/4= 12cm- bok a
Pole= 12*12=144
ob = 48 cm, P = ? P = a²
ob = 4a, czyli 4a = 48/:4
a = 12 cm
P = 12² = 144 [ cm² ]
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48/4= 12cm- bok a
Pole= 12*12=144
ob = 48 cm, P = ? P = a²
ob = 4a, czyli 4a = 48/:4
a = 12 cm
P = 12² = 144 [ cm² ]