Odpowiedzi

2010-03-31T16:52:38+02:00
-> (8,2)
-> |AC| =√(8-4)do kwadratu+(2-2)do kwadratu=√4do kwadratu=4
-> |BC|=√(8-4)do kwadratu +(5-2)do kwadratu=√16+9=√25 =5
-> a kwadrat + b kwadrat = c kwadrat
a= |AC|
b=|BC|
c= |AB|
|AB|=|AC|+|BC|
|AB|=4+5
|AB|=9