C. 18.88 centimeters. Because with a tilted radius of 5.7. It ranges up. So it would be a higher number SLIGHTLY.
Hope this helps.
Answer:
SAS
Step-by-step explanation:
JK is congruent to LM (given)
L is midpoint of JN (given)
JL is congruent to LN (definition of midpoint)
JK is parallel to LM (given)
Angle LJK is congruent to Angle NLM (corresponding angles)
Use the sin identity to find that side. Sin(30) = a/12...12 sin(30) = a, and a = 6