Question

Need help with this table. Picture in comments.

Answer 1

for your second question,
angle 1 and angle 2 form a linear pair.
So,they are supplement to each other.

Answer 2

understood the second part? @glittergodess

Answer 3

OR you can say that the reason for your second question is your question no.3

Answer 4

understood?

Answer 5

well, for the second do I just write "supplement" ?

Answer 6

no,the reason is that :- they form a linear pair or their sum is equal to 180 degrees

Answer 7

so is the type of pairs they form the answer to the rest?