Consider the inscribed quadrilateral below. Do the relationships discovered between the angles in Example 1 still hold for the angles in this quadrilateral?

[list=1][br][*]Calculate the measures of all four angles of quadrilateral [math]ABCE[/math].[br][*]Find the sum of the measures of [math]\angle A[/math] and [math]\angle C[/math].[br][*]State your conclusion.[br][/list][br][br]This applet is provided by Walch Education as supplemental material for their mathematics programs. Visit [url=http://www.walch.com]www.walch.com[/url] for more information.