Circumference/Perimeter and Area

Lessons Videos Interactive Practice Interactive Practice Worksheets
Arc Length Finding Arc Length of a Circle
Area of Circles
Area of Sectors Finding Sector Area of a Circle
Area of Quadrilaterals
Area of Regular Polygons Basics of Regular Polygons
Area of Regular Triangles
Area of Regular Quadrilaterals
Area of Regular Hexagons
Area of Composite Figures
Effects of Changing Dimensions