Answer:

Step-by-step explanation:
Given


Required
Determine LN
Since LM is a bisector, then we have:
(See attachment for illustration)

Collect Like Terms


Solve for w


LN is calculated as thus:

Substitute 4 for w



In order to find the area for a strange shape, you divide it up into simpler figures. In this case, you already know that it can be divided into 4 triangles, so find the area of each triangle and add them up. Hope this helped!
Answer:
5 miles=8 km
=)1 mile=8/5 km=1.6 km
=)40 miles=1.6×40=64 km
So, 40 miles is 64 km.
Step-by-step explanation: