A.)80
B.)48
C.)26
D.)15

Step-by-step explanation:
D) 15
i hope this helps ...
Answer:
the right answer is 15.
Step-by-step explanation:
(6x-10)°+(6x+10)°=180°
or,6x°-10°+6x°+10°=180°
or,12x°=180°d
x=15°