BC = 6 km
/ ACB = 34°
AC = ?
cos 34° = [tex]\frac{BC}{AC}[/tex]
=> 0.829 = [tex]\frac{6}{AC}[/tex]
=> AC = [tex]\frac{6}{0.829}[/tex]
=> AC = 7.23763570567
=> AC = 7 km
=> AC = 10 km[tex]\:\:\:\:\:\:\:\:[/tex] (nearest tenth)
[tex]\\[/tex]
Answer : 10 km
[tex]\\\\\\\\[/tex]
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