My iPad is missing

If the Find My app is not configured, there is nothing that you can do to track the device. You should report the loss or theft to the local police. If your iPhone, iPad, or iPod touch is lost or stolen - Apple Support

If your iPhone, iPad or iPod touch is lost or stolen – Apple Support

Use the Find My app to locate a lost or stolen device – Apple Support

If the Find My iPad feature was enabled prior to it being “misplaced”, then if active, you would stand a good chance of locating it. 

However, if the feature was not activated prior to being misplaced - or the iPad has been inactive for more than 24 hours, the last known location will not be available - and the opportunity to use technical means to recover the iPad have been lost.