Answer:
1308
Step-by-step explanation:
109 x12
x will be 67 because in each case the angles are alternate interior angle so we can prove x=67degree
1) = 4ab
2) 12a2b
3) 8ab2
4) 6ab2
5) 12abc
6) 6ab2c
7) 16a2bc
8) 27abc