Hi irene,
Thank you for contacting Syncfusion Support.
We have prepared a sample based on your requirement, in which we have added few images which you have given in your attachment. Please download the sample from the link given below.
Sample link:
http://www.syncfusion.com/downloads/support/directtrac/general/ze/RadialMenu_DemoSample_2-961737122.zip If the issue persists at your end, please update the sample modification in which the issue occurs. This could help us to provide better solution on this.
Regards,
Selva Kumar V.