10.3 Angles in Opposite Segments[br]The sum of angles in opposite segments of a circle is 180 degrees.[br](angles in opp. segments)

1. Click and drag points B and E.[br] What do you notice about the size of the marked angles when they are in opposite segments?[br] What do you notice about the size of the marked angles when they are in the same segment?[br]2. Click and drag points C and D.[br] What do you notice about the size of the marked angles?[br] How are the angles related?