HotmathMath Homework. Do It Faster, Learn It Better.

Circle Graphs

A circle graph is a way to organize data using the sectors of a circle.

Example:

Suppose you take a poll of the students in your class to find out their favorite foods, and get the following results:

  • Pizza – Math formula
  • Ice Cream – Math formula
  • Raw Mushrooms – Math formula
  • Dog Food – Math formula
  • Chicken Livers – Math formula

Organize this data in a circle graph.

The data are given as percentages. To make the sectors the right size, you need to use the fact that there are Math formula degrees in a circle, and solve some proportions . For example, to find the number of degrees in the sector for chicken livers, you need to solve:

 

Math formula

It turns out that Math formula , so you need to measure a Math formula degree sector to represent the portion of the class that loves chicken liver.

Math diagram

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