Yes, open the Element Information palette and select the Mesh.
For more information with images, go to Help > ArchiCAD Help, when your browser opens click on the "Search" tab, and input "Element Information" in the search box, in the results list "Element Information" will lead to detailed information.
David
David Maudlin / Architect www.davidmaudlin.com Digital Architecture AC27 USA • iMac 27" 4.0GHz Quad-core i7 OSX11 | 24 gb ram • MacBook Pro M3 Pro | 36 gb ram OSX14
Seeing you are from South Africa, perhaps you have a different country version? For instance, it may work in our US version but not in your ___ version?
And to double check you have the proper units set up, you can check that under Options>Project Preferences>Calculation Units & Rules.