EXTENDED RESPONSE In a concave polygon, at least one interior angle measure is greater
Chapter 8, Problem 8.1.37(choose chapter or problem)
EXTENDED RESPONSE In a concave polygon, at least one interior angle measure is greater than 1808. For example, the measure of the shaded angle in the concave quadrilateral below is 2108. a. In the diagrams above, the interiors of a concave quadrilateral, pentagon, hexagon, and heptagon are divided into triangles. Make a table like the one in the Activity on page 506. For each of the polygons shown above, record the number of sides, the number of triangles, and the sum of the measures of the interior angles. b. Write an algebraic expression that you can use to find the sum of the measures of the interior angles of a concave polygon. Explain.
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