Answer:
For the first one the answer is 60 idk about the 2 one tho
Step-by-step explanation:
First of all you have to make them equal to each other. What I mean is the following
3x+20=2x+40
Then you should just solve for x
Answer:
Step-by-step explanation:
By inscribed angle theorem:
Again by inscribed angle theorem:

Answer:
55degrees
Step-by-step explanation:
Hold on let me go do my research I’ll brb .