Answer:
900
Step-by-step explanation:
The sum of the interior angles of a polygon with n sides is given by the formula:
[tex]S=(n-2)180[/tex]
The polygon given has 7 sides. Substitute 7 for n. Thus:
[tex]S=(7-2)180\\S=5(180)\\S=900[/tex]
The sum of the interior angles is 900 degrees.
