Respuesta :

Answer:

AM = 5

Step-by-step explanation:

The centroid of a triangle divides each median into two segments in a 2:1 length ratio. The segment closer to the vertex is the longer one.

PM:AM = 2:1

PM/AM = 2/1

PM = 10

10/AM = 2/1

2AM = 10

AM = 5

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