Respuesta :

36

Step-by-step explanation:

We know that

  • Sum of two complementary angles is 90°
  • Let the other angle be x

So

[tex] \rm \dashrightarrow \: x + 54 = 90 \\ \rm \dashrightarrow \: x = 90 - 54 \\ \rm \dashrightarrow \: x = 36[/tex]

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