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tion is 67 ~ 6.3.14 = 18.84 cm. NOW TRY THIS 2 To approximate the value of 7, we can use a string, a marked ruler, and several different-sized round cans or jars. Pick a can and wrap the string tightly around the base of the can. Use a pen to mark a point on the string where the beginning of the string meets the string again. Unwrap the string and measure the length from the starting end to the marked point. Next, determine the diameter of the can by tracing the bottom of the can on a piece of paper. Fold the circle onto itself to find a line of symmetry. The chord determined by the line is a diameter of the circle. Measure the diameter and determine the ratio of the circumference to the diameter. Use the same units in all measurements. Repeat the experiment with at least three cans and find the average of the corresponding ratios. In class, record all diameters and corresponding circumferences in columns A and B in a spreadsheet. Plot the graph of this data, with circumference on the vertical axis and diameter on the horizontal axis. What do we observe? Find a trend line for the data. What is the slope of this line? 871 Page 812 4:33 PM 8/10/2022I this data, with circumference on the vertical axis and diameter on the horizontal axis. What do we observe? Find a trend line for the data. What is the slope of this line? Historical Note IT = 3.14159 26535 89793 23846 26433 83279 50288 41971 69399 37510 58209 .. . Archimedes (287-212 BCE) approximated 7 by the inequality 3 7,