The value of DG is 4x + 45
From the question, we are to determine the value of DG
From the given information,
DE = 2x + 17
EF = 8
FG = 2x + 20
Then,
DG = DE + EF + FG
DG = 2x + 17 + 8 + 2x + 20
DG = 4x + 45
Hence, the value of DG is 4x + 45
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