What do you think the sum of the measures of the interior angles of a hexagon will be? Why do you think this is true?
What do you think the sum of the measures of the interior angles of a heptagon will be? What about an octagon? Why do you claim this?
Suppose a polygon has 85 sides. What would the sum of its interior angle measures be? Explain your reasoning. Be sure to include this value in the table above.
Suppose a polygon has [i]N[/i] sides. What would the sum of its interior angle measures be (in terms of [i]N[/i])? Explain your reasoning. Be sure to include this expression in the table above.