Respuesta :

Answer:

it’s 11.

Step-by-step explanation:

The value of r if DM = 60 according to the question is; 11

According to the diagram given;

The line DM = DG + GM

  • where DG = 4r and GM = r + 5

The line DM is therefore;

  • 60 = 4r + r + 5

  • 5r = 55

  • r = 55/5

  • r = 11.

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