I believe it’s the last one, but I could be wrong.. The n three times= 3n+15 (less than itself)-n ??
Answer:
table a , have a nice day
Answer:
45°
135°
Step-by-step explanation:
Let the measure of one angle be x
So, measure of its supplementary angle = 3x

Answer:

Step-by-step explanation:

Therefore,

Answer:

Step-by-step explanation:

Hope this helps.