Bailey likes the shape of her friend's pool, but she wants one that is half the volume. according to cavalieri’s principle, what dimension could she change to accomplish that?

Width or length

Step-by-step explanation:

Cavalieri's Principle states that in two solids with equal altitude, if the sections made by planes parallel to and at the same distance from their respective bases are always equal, then the volumes of the two solids are equal.

So, if Bailey's pool section is half her friend's pool, then the new volume would be half of the original.  To do that, she can half width or length

-12 > a

step-by-step explanation:

-11 > 1 + a

subtract 1 from each side

-11-1 > 1-1+a

-12 > a

19479 is the answer ^^