Question

what do i need to do to answer both questions

Answer 1

You need to solve and find the angle of the triangle

Answer 2

Answer:

length of BD = 5.7 cm

Step-by-step explanation:

$\tan(x) = \frac{18}{6} = 3 \\ x = 71.56 \: degrees$

length of BD

$\sin(x) = \frac{a}{6} \\ 6 \times \sin(71.56) = a \\ a = 5.69 = 5.7$