Respuesta :

tramserran

cos θ = [tex]\frac{adjacent}{hypotenuse}[/tex]

cos ∠N = [tex]\frac{10}{20.4}[/tex]

      ∠N = cos⁻¹ [tex](\frac{10}{20.4})[/tex]

      ∠N = 60.65°

Answer: 61°