Yes, You could do this.
To use an existing dashboard as a template for a new dashboard, follow these steps:
- 
Make sure that the dashboard view is showing the dashboard that you want to copy.
 
- 
In the page header, select 
 Clone.
 
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A copy of the dashboard, named "Clone of your dashboard name" opens in edit mode. Use the preceding steps in this article to rename and customize the dashboard.