Relate the circumference of a circle with the perimeter of a polygonal figure. 0606.4.11

Links verified on 7/14/2014

1. Circle, Sphere and Cylinder Calculator - input a number, state if the number is diameter, radius, or circumference and the other numbers are calculated
2. Formulas and instructions for finding the perimeters of circles (circumferences), - Lesson plan and examples
3. Lesson on Circumference of a Circle - examples and five practice exercises
4. Measuring Around - find circumference - five multiple choice questions
5. Perimeter and Circumference - Lesson plan and examples
6. Perimeter & Circumference - examples
7. Perimeter and Area - Unit plan of these concepts
8. Pi - explanation from Wikipedia including an excellent animation at the top of the page