All angled are congruent correct answer or at least the way is see wish u luck :)
Answer:
345700
Step-by-step explanation:
79600+145700+120400=345700
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
Because when you divide you get the same answer or something to do with percents