Exploration of the triangle inequality, Virginia SOL G.5d.
Vertices [color=#ffd700][i]A[/i][/color] and [color=#ffd700][i]B[/i][/color] can be moved to change the measure of [math]\angle C[/math]; lengths of sides [color=#ff0000][i]a[/i][/color] and [color=#0000ff][i]b[/i][/color] can be changed.