Determining The Ratio Of Circumference To Diameter Of A Circle

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Term Paper Title	Determining The Ratio Of Circumference To Diameter Of A Circle
# of Words	521
# of Pages (250 words per page double spaced)	2.08

Determining the Ratio of Circumference to Diameter of a Circle

Determining the Ratio of Circumference to Diameter of a Circle

     In determining the ratio of the circumference to the diameter I began by
measuring the diameter of one of the si objects which contained circles, then
using a string, I wrapped the string around the circle and compared the length
of the string, which measured the circumference, to a meter stick. With this
method I measured all of the six circles. After I had this data, I went back and
rechecked the circumference with a tape measure, which allowed me to make a more
accurate measure of the objects circumferences by taking away some of the error
that mymethod of using a string created.
     After I had the measurements I layed them out in a table. The objects
that I measured were a small flask, a large flask, a tray from a scale, a roll
of tape, a roll of paper towels, and a spraycan.
     By dividing the circumference of the circle by the diameter I was able
to calculate the experimental ratio, and I knew that the accepted ratio was pi.
Then I put both ratios in the chart.
     By subtracting the accepted ratio from the experimental you find the
error. Error is the deviation of the experimental ratio from the accepted ratio.
After I had the error I could go on to find the percentage error. The equation I
used was, error divided by the accepted ratio times 100. For example, if I took
the error of the experimental ratio for the paper towels, which was 0.12. I took
that and divided it by the accepted ratio giving me .03821651. Then I multiplied
that by 100 giving me about 3.14. Using these ...

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