Above-ground ladder curves into side-wall of pool?

[KFS]

We purchased a pool ladder (used) that came as original equipment with an above-ground pool

The ladder bolts-on to the deck, then down into the water but rather than resting on the BOTTOM of the pool, it curves in so the bottom of the ladder would actually rest AGAINST THE SIDE of the pool.

Does that make sense?

We are new pool owners (our pool doesn't have water yet) so I'm fearful of how an above ground pool can possibly have a ladder pushing against the inside wall?

Please advise.