### Home > INT2 > Chapter 10 > Lesson 10.2.1 > Problem 10-53

10-53.

In the diagram below, is a diameter of

*.*Each part is a new problem. Show all work.

If

, what is?What is the relationship between the length of

and the length of ? Remember that a straight line has a total

. If

, what is?See hints for part (a).

If

, what is?Notice the relationship between the given angles and their respective answers