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P = 5 x 5
P = 25 cm 2 (kwadratowych)
5x3 = 15
15 x 15 = 225
P= a^2
P= 5^2 = 25 cm2
5*3 = 15
a=15
P= a^2
P= 15^2 = 225 cm 2
225:25 = 9
Pole zwiekszylo sie 9 razy