They are supplementary angles since they lay on a line, which makes them a linear pair, meaning that any linear pair equals 180°
I hope this helps.
YOU'RE WELCOME :D
im gonna say d not sure, 10% is 5 dollars off tho
Answer:
8/10, 12/15, 16/20 and so on
Step-by-step explanation:
4x2/5x2 = 8/10
4x3/5x3 = 12/15
4x4/5x4 = 16/20 and so on