Answer:
-1/3 i think i might be wrong
Step-by-step explanation:
The answer is A
Hopefully it will be correct
Answer: inscribed angle
Step-by-step explanation:
inscribed angle is the angle formed in the interior of a circle when two chords intersect on the circle. It can also be defined as the angle subtended at a point on the circle by two given points on the circle.
Answer:

Step-by-step explanation:
The angles are vertical since they form from two lines crossing at a point and they share a same vertex.
Vertical angles are equal so


