Answer:
5/2
Step-by-step explanation:
1/2 + 6/2 + 5/2 = 12/2 or 6
1/2+6/2= 5/2
12/2=6
1/2+6/2+5/2= 6
C
129°
51+51 =102
360-102=258
258÷2=129
:)
Answer is C
Hope that helped ^^
