Getting on the Plane: Points, Lines, Angles, and ShapesMaking some pointsKnowing your linesFiguring the anglesShaping things upClosed Encounters: Shaping Up Your Understanding of 2-D ShapesPolygonsCirclesTaking a Trip to Another Dimension: Solid GeometryThe many faces of polyhedrons3-D shapes with curvesMeasuring Shapes: Perimeter, Area, Surface Area, and Volume2-D: Measuring on the flatSpacing out: Measuring in three dimensions