[color=#000000]Interact with the applet below for a few minutes.  [br]Then, answer the questions that follow.  [br][br][/color][i][color=#980000]Be sure to change the locations of the triangle's WHITE VERTICES each time before you drag the slider!!! [/color][/i]

[b][color=#980000]Questions:[/color][/b][br][br][color=#000000]1) When dragging the white vertices, did the measures of the other angles change?[/color][color=#000000]  [br][br]2) Drag the slider to the other end. From your observations, what is the sum of the measures of the interior angles of [i]any triangle?  [br][/i][br]3) Select exterior angles. [/color][color=#000000]When dragging the white vertices, did the measures of the other angles change?[/color][color=#000000]  [br][/color][br][color=#000000]4) Drag the slider to the other end. From your observations, what is the sum of the measures of the exterior angles of [i]any triangle?  [/i][/color][br][color=#000000][br][/color]