(N-2)*180/n
Octagon has 8 sides
(8-2)*180/8
=135
Answer:
70
-----
20
Step-by-step explanation:
mark me as brilliant
This would be 45.9
Get a calculator or try long division :-)
Correct answer is right down, increase gives sign +, drop or decrease gives sign -
I think the answer is: r=13/16
