Adjust [math]\angle[/math]B using the slider. What happens as [math]\angle[/math]B changes? [br][br]When [math]\angle[/math]B is an acute angle, what kind of angle is [math]\angle[/math]F?[br][br]When [math]\angle[/math]B is a right angle, what kind of angle is [math]\angle[/math]F?[br][br]Using what you have observed, how would you define complementary angles?