Answer: 20°
Step-by-step explanation:
Let's call angle 1 x and angle 2 y
We know that x is three times greater than y, and that means that we can write it like this:
3y = x pls let me know if this part is confusing
Then we can write this entire equation:
3y + y = 80 remember, x = 3y
4y = 80
y = 20
