Last Question

Angle ACB = 1/2 of its intercepted arc. And AB is the arc it intercepts. Thus ACB = (1/2)128 = 64 degrees. And BAC is the other angle in triangle ABC, so it equals 180 - 86 - 64 = 30 degrees.

Is BAC for the triangle? Or is BAC for the circle?

the triangle

Okay. Can you wait a second, please?

I will try to do it.

Let me think.

But to answer the question, do you know what the pythagorean theorem?

yes so far i used it for 2 of my other questions and got an answer, they were correct

Okay. Let me think.

You got my answer, CPhill. But, Great job, CPhill!