The Apple iPad Pro2 WiFi (256GB) 12.9-inch iPad Pro display has rounded corners that follow a beautiful curved design, and these corners are within a standard rectangle. When measured as a standard rectangular shape, the screen is 12.9 inches diagonally (actual viewable area is less)
/apple-ipad-pro2-wifi-256gb-apple-ipad-pro2-wifi-256gb-1991-2-550x550.jpg "Apple iPad Pro2 WiFi (256GB)")
/apple-ipad-pro2-wifi-256gb-apple-ipad-pro2-wifi-256gb-1991-1-550x550w.jpg "Apple iPad Pro2 WiFi (256GB)")
/apple-ipad-pro2-wifi-256gb-apple-ipad-pro2-wifi-256gb-1991-2-80x80.jpg "Apple iPad Pro2 WiFi (256GB)")
/apple-ipad-pro2-wifi-256gb-apple-ipad-pro2-wifi-256gb-1991-1-80x80w.jpg "Apple iPad Pro2 WiFi (256GB)")