I hope this helps. Since there are verticale angles that’s why I added another x.
Answer:
They have a scale factor of 2
They are both the same shape
The big circle has a radius of 4 and the small circle has a radius of 2. You divide the bigger circle by the smaller circle. 4/2=2
Answer:
I think it would be 3/4. You have to add them in a calculator.
Hope it helps!!!
Answer:
2+6=8
x is replaced by 2 so 2+6=8
I'm guessing you're talking degrees ? It would equal 180!