Question

A market share of 78.5 percent would be represented in a pie chart by a slice with a central angle of:

Answer 1

The angle in a pie chart is proportional to the percentage. THe chart is a circle and thus has 360 degrees. Suppose the angle is x degrees. We then have that x/360=78.5/100 due to proportionality. Hence, x=78.5*360/100=282.6. This is the value of the angle in degrees that corresponds to this percentage share.