3. *double-line graph - a method of displaying a set of data--
comparing 2 performances over time
*LOOK at pg. 360
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4. *circle (pie) graph - a method of displaying data, often using
percentages or parts of a whole
*LOOK at pg. 361
Entire circle = 360 degrees
*To figure the percent of a circle graph, take the
amount/the total amount x 100 percent. Use this
percent to then figure the degrees of the central angle.
*To make a 20% sector, do 0.2 x 360 degrees - and
that should be the degrees of the measure of the
central angle
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