[u]Part 1:[/u] The blue and purple angles are called [b]complementary angles[/b]. Use the slider to adjust the angle measurements. [b]What do you notice about complementary angles?[br][/b][br][u]Part 2:[/u] The red and green are called [b]supplementary angles[/b]. Use the slider to adjust the angle measurements. [b]What do you notice about supplementary angles?[/b]