o ile dłuższy jest bok kwadratu o przekątnej 10 od boku kwadratu o przekątnej
8?
a = x
av2 = 10 /: v2 (a PIERWIASTKA z 2)
a = 5v2
av2 = 8 /: v2
a = 4v2
5v2 - 4v2 = 1v2 (1 PIERWIASTKA z 2)
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a = x
av2 = 10 /: v2 (a PIERWIASTKA z 2)
a = 5v2
a = x
av2 = 8 /: v2
a = 4v2
5v2 - 4v2 = 1v2 (1 PIERWIASTKA z 2)