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B
Zad 2
C
Zad 3
h = 24[pierwiastek z 3] : 2 = 12 pierwiastków z 3
Pole : 1/2 x A x H
Pole = 144 pierwiastki z 3 cm2
2. C
3. P=a*h/2
h=5
P=24*5/2=60 cm