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P=6*a^2
a)
a= 4,6 cm
P=6*(4,6)^2
P=6*21,16
P=126,96 cm^2
b)
a= 2,3 dm=23 cm
P=6*23^2
P=6*529
P=3174 cm^2
c)
a=0,9 m=90 cm
P=6*90^2
P=6*8100
P=48600 cm^2
pozdrawiam:)
a)
Pc = 6 * 4,6²
Pc = 21,16cm * 6
Pc = 126,96cm²
odp. szukane pole to 126,96cm²
b)
Pc = 6 * 2,3²
Pc = 5,29 * 6
Pc = 31,74 dm² = 3174cm²
odp. szukane pole to 3174cm²
c)
Pc = 6 * 0,9²
Pc = 0,81 * 6
Pc = 4,86m² = 48600cm²
odp. szuakne pole to 48600cm²