1. Click on hamburger icon.

2. Click on dashboard tab and Open variable Radius Radar Chart in edit mode.

3. The Edit menu box appears as you click on variable Radius Radar chart icon. And a widget gets added in content place automatically in dashboard.

4. In Formatting Property click on Series Property.

5. Enter Following details in Series Value Labels Position:
Toggle Enable Value Labels
Rotation: 26
Border Width: 6
Font Color: #1df5ff
Background Color: #f00a0a
Opacity: 0.3
Font Size: 13
Decimal Places: 2

6. Fill above details in edit box, As Shown in figure.

7. Click on Preview and Save and Exit.

8. Now, match your Variable Radius Radar chart with the below example, it should look like the figure below: