Oblicz bok kwadratu, którego pole jest równe polu prostokąta o bokach 18cm i 8cm.
x*x=18*8
=18*8
=144
x= =12
Bok kwadratu=12cm
a = ? (bok kwadratu)
Pole prostokąta = a * b = 18cm * 8 cm = 144 cm²
Pole kwadratu = a²
a² = 144 cm² => a² = 12²
a= 12cm
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x*x=18*8
=18*8
=144
x= =12
Bok kwadratu=12cm
a = ? (bok kwadratu)
Pole prostokąta = a * b = 18cm * 8 cm = 144 cm²
Pole kwadratu = a²
a² = 144 cm² => a² = 12²
a= 12cm