Match the vocabulary words with their definitions. 1 .
categorical information
a letter used to represent an unknown number
2 .
pi
two ratios that show the same comparison
3 .
percent
information that is divided into different categories, or groups
4 .
diameter
the ratio of the circumference of a circle to its diameter; approximately 3.14
5 .
circumference
a comparison to 100
6 .
variable
the distance around the outside of a circle
7 .
equivalent ratios
the distance across a circle through the center
8 .
circle graph
graph showing how a whole is broken into parts