Answer:
1080°
Step-by-step explanation:
formula to find the sum of interior angles of a polygon is (n-2)×180
octagon has 8 sides so n=8
(8-2)×180
6×180
=1080°
Greatest common factor of 18 and 12 is 6
18/6 = 3
12/6 = 2
so she can make 6 bags...each containing 3 chocolate bars and 2 bags of cookies
149
How to:
A four sided shape equals to 360 degrees