Answer:
20 sides
Step-by-step explanation:
Interior angle + exterior angle= 180
So,
let the unknown exterior angle be x
[tex]162 + x = 180\\x = 180-162\\x = 18 \degree\\[/tex]
Now,
360 / size of the exterior angle = number of sides of the polygon
[tex]=\frac{360}{18} \\=20 sides[/tex]
hope this helps you
please let me know if you have another questions :-)
