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Sagot :

Answer: 77 degrees

Step-by-step explanation:

By the law of sines,

[tex]\frac{\sin 13^{\circ}}{6}=\frac{\sin A}{26}\\\sin A=\frac{26 \sin 13^{\circ}}{6}\\A=\sin^{-1} \left(\frac{26 \sin 13^{\circ}}{6} \right) \approx 77^{\circ}[/tex]