Respuesta :

Solution

Note: Sine Rule

[tex]\frac{a}{sinA}=\frac{b}{sinB}=\frac{c}{sinC}[/tex]

From the question, we have

[tex]\begin{gathered} \frac{22}{sin31}=\frac{b}{sin66} \\ \\ b=\frac{22sin66}{sin31} \\ \\ b=39.0 \end{gathered}[/tex]

The answer is

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