Odpowiedzi

2010-04-11T13:12:44+02:00
P = 64cm²
p = a², więc
a²=64cm² /√
a = 8 cm
2010-04-11T13:12:48+02:00
P=64
P=a*a
pierw. z 64=8
a=8cm
2010-04-11T13:17:17+02:00
P = 64cm2
pole kwadratu = a*a
p = 8*8= 64cm2
a=8cm