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nie wiem . xdd
Zad. 2
ABD - P = a × h ÷ 2
a = 6 cm
b = 7 cm
6cm × 7 cm = 42 cm ²
42 cm ² : 2 = 21 cm ²
BCD - P = a × h ÷ 2
a = 4 cm
b = 3 cm
4 cm × 3 cm = 12 cm ²
12 cm : 2 = 6 cm ²