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Step-by-step explanation:

the polygon is 15 sided.
<h3>
Answer: 
</h3>
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Explanation:
Both legs are the same length, as indicated by the tickmark.
- a =

- b =

- c = x
Use the pythagorean theorem to solve for x

Answer:
24
Step-by-step explanation:
Literally any number besides 2, so it could be y=x+1, just change the constant number