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Dane:
A=(-3,1)
B=(2,3)
Obw = 4|AB|
|AB| = √[(2 + 3)² + (3 - 1)²]
|AB| = √(5² + 2²)
|AB| = √(25 + 4)
|AB| = √29
Obw = 4√29
Odp: Obwód kwadratu wynosi 4√29.