Question

LOOK AT ATTACHMENT
FAN + MEDAL

Answer 1

Use basic trigonometry
You have an angle 'theeta'
and the side 'opposite' to that is '5'

You want to find 'b' which is the adjacent length

So using SOHCAHTOA
we know that
\[\tan 30 = \frac{ 5 }{ b }\]

rearrange to find
\[b=\frac{ 5 }{ \tan 30 }\]