Standard 12.0 – Students find and use measures of sides and of interior and exterior angles of triangles and polygons to classify figures and solve problems.
Academic Language Polygon Convex Concave n-gon Equilateral Equiangular regular
Polygon A figure formed by 3 or more line segments called sides and can only intersect at most one other side. – Each endpoint of a side of a polygon is a vertex – Polygons can be named by listing vertices in consecutive order
Convex Polygon A polygon where no side contains an interior point of the polygon A polygon that is not convex is called non- convex polygon or ……. Concave polygon