Obw równoległoboku - 26 cm
1bok ma - 4 1 cm
5
oblicz 2 bok
tam jest 4 1/5??
L=2a+2b
26cm=2*4 1/5+2b
26=8 2/5+2b
2b=17 3/5
b=8 4/5
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Obw równoległoboku - 26 cm
1bok ma - 4 1 cm
5
tam jest 4 1/5??
L=2a+2b
26cm=2*4 1/5+2b
26=8 2/5+2b
2b=17 3/5
b=8 4/5