12. What is the value of x?

Step-by-step explanation:

we know that

----> by Intersecting Chords Theorem

substitute the given values

solve for x

Step-by-step explanation:

For this exercise you need to apply the Intersecting Chords Theorem.

In this case, based on that Theorem, you can write the following equation:

You can identify in the picture that:

Now, knowing those values, the next step is to substitute them into the equation:

Finally, you need to solve for "x" in order to find its value. You get that this is:

i dont know

step-by-step explanation:

1 3 5

step-by-step explanation:

i took the test: )