Answer:
length of BD = 5.7 cm
Step-by-step explanation:
[tex] \tan(x) = \frac{18}{6} = 3 \\ x = 71.56 \: degrees[/tex]
length of BD
[tex] \sin(x) = \frac{a}{6} \\ 6 \times \sin(71.56) = a \\ a = 5.69 = 5.7[/tex]
