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150dm=15m
I x
II x+15m
x+x+15m=150m:2
2x+15m=75m
2x=60m |:2
x=30m
I 30m
II 45m
x+15 - drugi bok
Obwod = 2x+2(x+15)= 2x+2x+30=150
4x=150-30
4x=120
x=30
a drugi bok 30+15=45
2x+2(x+15)=150
2x+2x+30=150
4x=150-30
4x=120
x=30 m <--- jeden bok
30+15=45 m <----drugi bok
Działka ma wymiary 30x45m