How to find lost ipad
I have lost my ipad and it is offline in find my phone. Does Apple have the last known location of my ipad stored somewhere?
iPad Pro 12.9-inch, 2nd Gen, Wi-Fi, Cell
This article sums up your options pretty well:
If your iPhone, iPad, or iPod touch is lost or stolen - Apple Support
You can try to locate your iPad by using find my on an iPhone or iPad:
Use the Find My app to locate a lost or stolen device - Apple Support
Or sign into iCloud:
Good luck!
