I know that b and d are correct because c is just silly and a is just incorrect :)
Answer:
The sum of any 360-gon's interior angles is 64440 degrees.
Step-by-step explanation:
242.975609756 I don't know about the last one though.
Answer:
Step-by-step explanation:
2 × ( 3x + 6 )° + ( 16x + 14 )° = 180°
22x + 26 = 180
22x = 154
x = 7