<!--[if gte vml 1]>
<![endif]--><!--[if !vml]--><!--[endif]-->Study each figure and answer/find what is asked for.
<!--[if !supportLists]-->a. <!--[endif]-->Find the four arcs into which A, B, C, and D divide the circle.
<!--[if !supportLists]-->b. <!--[endif]-->Find the four angles of ABCD.