You actually
remember 7th grade geometry? Huh, I struggle to remember what happened 7 hours ago.
Eliminating the tub does open up some possibilities, and is exactly what I did in my master bath overhaul since the hall bath/guest bath has a standard tub.
The funds saved can be put back into the household coffers or diverted to other luxury appointments. A motorized, remote controlled shade for the window comes to mind.