2:   Circumference:    Video       Worksheet       Answer

      Area:    Video        Worksheet      Answer

      Perimeter of a semi-circle:     Video       Worksheet       Answer

      Perimeter of a quarter-circle:     Video    

3:   Surface area of a Sphere:    Video       Worksheet       Answer

      Surface area of a cone:    Video       Worksheet       Answer

4:   Arc Length:  Video       Worksheet       Answer

      Area of a sector:    Video       Worksheet       Answer