Step-by-step explanation:
Answer:

Step-by-step explanation:
hope it help you.
thanks
Answer: I am pretty sure it is D but I could be wrong. I am sorry if I am wrong
Step-by-step explanation:
Answer:
30
Step-by-step explanation:
A =30
B=60
C= 90
A is 30 because the total of a triangle is 180 and we already know that c is 90