Question

What do i need to do to answer both questions

Answer 1

length of BD = 5.7 cm

Explanation:

`\tan(x) = (18)/(6) = 3 \\ x = 71.56 \: degrees`

length of BD

`\sin(x) = (a)/(6) \\ 6 * \sin(71.56) = a \\ a = 5.69 = 5.7`

Answer 2

You need to solve and find the angle of the triangle