Answer: ET
Step-by-step explanation:
Answer: First option.
Step-by-step explanation:
You can idenfity in the figure that
is formed by two secants that intersect outside of the given circle.
It is important to remember that, by definition:

Knowing this, you can set up the following equation:

Therefore, you must substitute values into the equation and then evaluate, in order to find the measure of the angle
.
This is:

Answer:
a
Step-by-step explanation:
divide 9 and 6 each by 3 and bam you got a 2x3 poster