Question

Can someone help me with this I’m sorry I really just don’t know

Answer 1

Answer:

15

Step-by-step explanation:

Because the two triangles are similar:

$\dfrac{LN}{30}=\dfrac{6}{30-18} \\\\\\\dfrac{LN}{30}=\dfrac{6}{12} \\\\\\LN=30\cdot \dfrac{1}{2}=15$

Hope this helps!