Heptagon Angle Theorems
Interact with the applet below for a few minutes.
Then, answer the questions that follow.
Be sure to change the locations of the heptagon's BIG BLACK VERTICES each time before you drag the slider!!!
Note: Each point on a side of this heptagon is a midpoint.
Questions:
From your observations, what is the sum of the measures of the interior angles of
any heptagon?