PolarAreaSeries
This series is visualized on the screen as a straight line connecting each of the DataPoints. As an addition this series also allows the area surrounded by the line to be colored in an arbitrary way.
Declaratively defined series
You can use the following definition to display a simple PolarAreaSeries
<telerik:RadPolarChart Palette="Windows8">
<telerik:RadPolarChart.PolarAxis>
<telerik:PolarAxis />
</telerik:RadPolarChart.PolarAxis>
<telerik:RadPolarChart.RadialAxis>
<telerik:NumericRadialAxis />
</telerik:RadPolarChart.RadialAxis>
<telerik:RadPolarChart.Series>
<telerik:PolarAreaSeries>
<telerik:PolarAreaSeries.DataPoints>
<telerik:PolarDataPoint Angle="30" Value="4"/>
<telerik:PolarDataPoint Angle="60" Value="4"/>
<telerik:PolarDataPoint Angle="90" Value="4"/>
<telerik:PolarDataPoint Angle="120" Value="4"/>
<telerik:PolarDataPoint Angle="150" Value="4"/>
<telerik:PolarDataPoint Angle="180" Value="4"/>
<telerik:PolarDataPoint Angle="210" Value="4"/>
<telerik:PolarDataPoint Angle="240" Value="4"/>
<telerik:PolarDataPoint Angle="270" Value="4"/>
<telerik:PolarDataPoint Angle="300" Value="4"/>
<telerik:PolarDataPoint Angle="330" Value="4"/>
<telerik:PolarDataPoint Angle="360" Value="4"/>
</telerik:PolarAreaSeries.DataPoints>
</telerik:PolarAreaSeries>
</telerik:RadPolarChart.Series>
</telerik:RadPolarChart>