Make a circle graph for the results of a survey of students’ favorite seasons. Circle Graphs COURSE 3 LESSON 10-6 Favorite Season Number Spring 20 Summer.

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Make a circle graph for the results of a survey of students’ favorite seasons. Circle Graphs COURSE 3 LESSON 10-6 Favorite Season Number Spring 20 Summer 53 Fall 28 Winter 19 Step 1 Add each number of responses to find the total number of people in the survey = 120 Step 2 Use proportions to find the measures of the central angles = a = 60° a 360° = c = 84° c 360° = b = 159° b 360° = d = 57° d 360° 10-6

(continued) Circle Graphs COURSE 3 LESSON 10-6 Step 4 Construct the other central angles using a protractor. Step 3 Use a compass to draw a circle. Mark the center of the circle and draw a radius. Construct a central angle with a protractor. Step 5 Label each sector and title your graph. Set up a key to make the graph easier to read. 10-6

Circle Graphs The circle graph shows the survey results of 400 students. 1.What percent exercise 3–5 times each week? 2.How many exercise 6–8 times each week? 37% COURSE 3 LESSON students 10-6