Sagot :
Answer:
1.)common side
2.)180°
3.)add up to 180°____linear piar
4.)intersect
Step-by-step explanation:
sana makatulong sayo,nasa book ko kasi yung mga meaning nyan at yung iba sinearch ko
1.2 sides
2.2
3.-Supplementary
-vertically opposite angles.
4.a linear pair