2 Would be the answer.
Hope that helps!!
D. works because if you work it out that means 2n=140 and then divide by 2 which means n=70 and the other number is 71
Answer: its A, B, and D
Step-by-step explanation:
Answer:
1 = 44° (Opposite angles>
2 = 77° (By Angle sum property of a triangle)
3 = 82° ('' '' ' '' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ''')