Respuesta :

Answer:

last one: sqrt(5)

Step-by-step explanation:

Length of AB

Sqrt[(4-0)²+(4-2)²]

sqrt(16+4)

sqrt(20)

2sqrt(5)

Length of A'B': ½ × length AB

½ × 2sqrt(5)

sqrt(5)

Answer:

 

Step-by-step explanation:

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