a type of graph in which a circle is divided into sectors that each represent a proportion of the whole.

A graph where values are represented by a circle.

A way of recording data using marks.

Find the total frequency
Divide 360 by the total to find how much each person gets
Calculate the angle for each slice
Draw a circle. Mark the center and draw a line straight up
Mark of the first angle . Draw a first line
Mark of the other angle. Measure from the last line drawn

Draw a circle
Measure the size of each piece
Draw a line
Draw other line going of that original line