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Angles in Irregular Polygons WORKSHEET
Suitable for Grades: Geometry, IM 1
CCSS: HSG.CO.A.1
CCSS Description: Know precise definitions of angle, circle, perpendicular line, parallel line, and line segment, based on the undefined notions of point, line, distance along a line, and distance around a circular arc.
Angles in Irregular Polygons WORKSHEET DESCRIPTION
This worksheet focuses in dealing with the sum of the angles in polygons and looks mainly at irregular polygons. Section A has a table to complete with diagram of polygons with an increasing number of sides, featuring a missing angle. Section B asks for a missing angle from some irregular polygons. An extension activity then poses questions about the angles in a diagram featuring a regular octagon.
