Help me pretty pleeaaasse? :) I will mark brainliest.

Answer:
<R = 30
LM = 6 sqrt(3)
Step-by-step explanation:
Since the figures are congruent
<R = < L
<S = <M
< T = <N
RS = LM
ST = MN
RT = LN
<L = 30 so <R = 30
RS = 6 sqrt(3) so LM = 6 sqrt(3)