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a) 4dm×4dm=16dm²
16dm×6=96dm²
b)15m×15m=225m²
225m²×6=1350m²
c)5,7cm×5,7cm=32,49cm²
32,49cm²×6=194,94cm²
2 zad.
a)P=6a2
P=6 x 4 do potęgi drugiej
P=6 x 16
P=96dm2
b)P=6 x 15 do potęgi drugiej
P=6 x 225
P=1350m2
c)P=6 x 5,7 do potęgi drugiej
P=6 x 32,49
P=194,94
Potrzeba 60,4 cm drutu.
2. a) Pc = 6a2
6 x 4 dm2 = 6 x 16 = 96 dm2
b) Pc = 6a2
6 x 15m2 = 6 x 225 = 1350m2
c) Pc = 6a2
6 x 5,7cm2= 6 x 32,49= 194,94cm2