Answer: Id personally say D
Step-by-step explanation:
Answer:
3.5 in.
17.5 ÷ 5 = 3.5
2 × ( 3x + 6 )° + ( 16x + 14 )° = 180°
22x + 26 = 180
22x = 154
x = 7
68
all explanation you need in the page above
brainliest please