Answer:

A.

1. Angles in 3 and 4

2. Angles in 5 and 6

3. Angles in 1 and 2

4. Angles in 7 and 8

B.

1. 90°-12°=78°

2. 90°-39°=51°

3. 90°-41°=49°

C.

1. 180°-11°=169°

2. 180°-44°=136°

3. 180°-121°=59°

Step-by-step explanation:

Hope this helps :)