Sidecar
Is iMac late 2015 21” connected with iPad 6th generation with sidecar
iMac 21.5", macOS 10.15
Is iMac late 2015 21” connected with iPad 6th generation with sidecar
iMac 21.5", macOS 10.15
I am not sure what you're asking, if you're asking anything.
This is how to use sidecar - Use your iPad as a second display for your Mac with Sidecar – Apple Support
Sidecar system requirements
Sidecar requires a compatible Mac using macOS Catalina and a compatible iPad using iPadOS 13:
Mac using macOS Catalina
iPad using iPadOS 13
Additional requirements
This support document, Use your iPad as a second display for your Mac with Sidecar - Apple Support states it needs an iMac 2017 or later.
Sidecar