Answer:
12
Step-by-step explanation:
in this problem there is A+b=15
A=9
B=12
Answer:
30° each
Step-by-step explanation:
Complementary angles are those that add up to 90° so if they are all equal then it's
90/3=30°
Answer:
1-B
2-C
3-D
Step-by-step explanation:
In the attached file