CirclesMenuDefinition1The Number πCircumference of a CircleActivity Set 12Area of a CircleActivity Set 13Length of a Circular ArcActivity Set 14Area of a Circular SectorActivity Set 15Boss BattleDefinitionPlanar FiguresBoss BattlevsPlanar FiguresBoss1The Number πPlanar FiguresBoss BattlevsPlanar FiguresBossCircumference of a CirclePlanar FiguresBoss BattlevsPlanar FiguresBossActivity Set 1Planar FiguresBoss BattlevsPlanar FiguresBoss2Area of a CirclePlanar FiguresBoss BattlevsPlanar FiguresBossActivity Set 1Planar FiguresBoss BattlevsPlanar FiguresBoss3Length of a Circular ArcPlanar FiguresBoss BattlevsPlanar FiguresBossActivity Set 1Planar FiguresBoss BattlevsPlanar FiguresBoss4Area of a Circular SectorPlanar FiguresBoss BattlevsPlanar FiguresBossActivity Set 1Planar FiguresBoss BattlevsPlanar FiguresBoss5Boss BattlePlanar FiguresBoss BattlevsPlanar FiguresBoss