3420°
explanation:
the equation of the sum of interior angles are (n-2)x180
polygon above has 21 sides so you sub n as 21 and plug the equation in the calculator
Answer:
I cant see picture
Step-by-step explanation:
1/4 because if you divide 4 and 16 by 4, you will get 1/4.
The correct answer is C. 5, 6, -7
