Respuesta :

dashataran

Answer:

[tex]\text{20}[/tex]

Step-by-step explanation:

[tex]\text{Use the Pythagoras theorem.}\\c^2=12^2+16^2\\\text{or, }c^2=144+256\\\text{or, }c^2=400\\\text{or, }c=20\ \ \ (c=\text{-20 is excluded because length cannot be negative.})[/tex]

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