Interact with the app below for a few minutes. [br]Then, answer the questions that follow. [br][br]Be sure to change the locations of this quadrilateral's vertices each time [i]before[/i] you drag the slider!
Into how many non-overlapping triangles were we able to split this quadrilateral?
What is the sum of the measures of the interior angles of [i]each triangle[/i]?
Use your responses from the two questions above to [b]determine the sum of the measures of the interior angles of this quadrilateral. [/b]
What is the [b]sum of the measures of the exterior angles[/b] of this quadrilateral?