I got 6.49204 but you will need to round so D 6.5
I added all of the numbers up
2(n - 1) + 4n = 2(3n - 1)
2n - 2 + 4n = 6n -2
6n - 2 = 6n - 2 (equal)
6n - 6n = 2 - 2
0 = 0
whatever value you put into the place of n, you'll get 0 = 0
Answer:
25
Step-by-step explanation:
180-90-65 = 25
Opposite angles are same
I think it’s c. Not sure though. Pure guess