Answer:
I guess they subtracted a 110 from -110 instead of subtracting from 360
Answer:
C. 55
Step-by-step explanation:
Since all angles in a triangle add up to 180°, we have:
40 + y + y + 30 = 180
2y + 70 = 180
2y = 110
y = 55
Answer:
56
Step-by-step explanation:
Answer:
240
I think I'm not sure but try