Answer:
and 
Step-by-step explanation:
Given

per section

Required
Model the scenario
The model of this scenario is:

This gives:
<em />
<em> -- This represents the multiplication model</em>
Divide both sides by 18



Reorder
<em />
<em> -- This represents the division model</em>
5 cm since a pentagon has 5 sides just multiply one side by 5
1x5=5
<span>The measure of angle KJM is 108°.</span>
Answer: 67/9 or 7 4/9
Step-by-step explanation: