Explore the "viewing angle" of a stadium screen as a function of distance from the screen and other physical dimensions.

Slide the [b]height of screen[/b], [b]eyeball height[/b], and [b]vertical displacement[/b] sliders to alter the physical dimensions of the scenario.[br]Slide the distance [b]d[/b] to alter the viewers distance from the screen.[br]Toggle the various checkboxes to see various ways of analyzing the scenario graphically.[br]At what distance is the viewing angle maximized?[br]Use inverse trigonometry to write an equation for the viewing angle as a function of the physical dimensions.