Answer:
13
Step-by-step explanation:
26divided by 2 = 13
and 39/3=13
multiply to find it outfind the lowest number thats not 1
Answer:
16
Step-by-step explanation:

Answer:
3.6° = ext. angle
Step-by-step explanation:
For the shape to be a regular polygon, all interior angles must be congruent.
We can find every interior angle by using the formula:




176.4 = each int. angle
We also know that int. and ext. angles are supplementary!
180 = 176.4 - x
3.6° = ext. angle
280........................................