Can someone help me with these ASAP pleassseee!!!

Answer:
A squared+B squared=Csquared
Step-by-step explanation:
Use Pythagorean theorem.
Answer: its easy okay all u have to do is
find the missing angle to the nearest tenth like this
i will do one and it should help with the rest
Step-by-step explanation:
so u it's 30 for the first one