The answer is C
Explanation:
Answer:
The other angle is 100
Step-by-step explanation:
A straight line is 180, and if one angle is 80, then 180-80=100, giving you your answer. ^^
It's 2, the only factors 26 has is 1,2,13, and 26. So it has to be 2 since none of the other factors relate to the other numbers.