algebra precalculus - How many reflex angles can a polygon have? - Mathematics Stack Exchange

I think the first of the polygons that can have a reflex angle is the pentagon. For a hexagon, a maximum of 2 reflex angles is possible. I tried to draw many concave polygons to find out a rela

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What is a good real world example of using geometry to figure out the arc length? How can I show my kid this is useful math to learn? - Quora

Pre-Calculus, Calculus, and Beyond 2020008736, 9781470456771, 9781470460068