How to select a prominent surface

Fordencore1966 · March 16, 2021, 2:11pm

Hellow

On the picture you can see a prominent surface - can i select only this prominent surface?
Co-planar does’t work in this case

Thanks

baldperv · March 16, 2021, 7:44pm

Fordencore1966 · March 18, 2021, 6:33pm

Clever solution!
But there may be some prominant surfaces and using your method all they will be selected