In Polygon Explorations, you came up with a formula to find the sum of the measures of interior angles. Use that formula to fill out the chart below.
Chart (Print a chart for each student)
|Polygon||Number of Sides,
|Number of Triangles
Can you come up with a conjecture of a formula (in terms of n) of the sum of the measures of the interior angles of a convex n-gon? Hint-see column 4 of your table.