Curved slanted plane

i want to curve a slanted plane for an end of a stadium.any ideas.

I take it you haven’t tried any of the suggestion in your other thread? There are always more than 10 ways to achieve one simple form. Just another idea - select a central vertex in a grid and O key, then G key with scroll [or page up or page down] to increase / decrease effect…

Depends how exactly you want it curved , you could use a lattice, a curve guide , to sphere , spin, proportional editing.

Thinking about the shape of a stadium probably create a cross section using part of a circle and then use spin to create the curve in the opposite direction then select half of it and drag it along to create the length

see the link showing spin