Respuesta :

Answer:

  8.5

Step-by-step explanation:

The length of a segment can be found from its end coordinates by using the distance formula:

  d = √((x2 -x1)² +(y2 -y1)²)

  d = √((8 -2)² +(4 -(-2))²) = √(6² +6²) = √72

  d ≈ 8.485 ≈ 8.5

The length of MN is about 8.5 units.