Angles ABC and DBC are called [b][i]Supplementary Angles[/i][/b].[br][br]Move point C to change angles ABC and DBC.[br]What do you notice about these two angles?
Angles DAC and BAC are called [b][i]Complementary Angles[/i][/b].[br][br]Move Point C to change the angles DAC and BAC.[br]What do you notice about these two angles?
Move point C to create a different angle. [br]What do you notice about the two angles which are measured?