### Home > INT2 > Chapter 10 > Lesson 10.2.2 > Problem 10-66

10-66.

In *, *. What is:

? How do the end points of

and relate?

*?*Notice

. If A is the center, then what is true about the lines and , and consequently and ? What is true about the sum of

and?

? See hint from part (a).

*?*If A is the center, then the line

must be the circle's diameter. What does that mean for the the arc or semi-circle?

? See hints for part (b).

? Use the answer from part (e) and hints from part (b).