Pips describing georgiana pocket as an indigestive single woman is an example of what rhetorical device

Metaphor which in Greek means transference. It is when  use adjectives or descriptions saying that something is something. It is language that directly compares seemingly unrelated subjects. It is a figure of speech that compares two or more things not using like or as.

we know that, volume of a rectangular prism is given by :

✿   {length × width × height}

given : the length of rectangular prism = 5.5

given : the width of rectangular prism = 6

given : the height of rectangular prism = 3

⇒ the volume of given rectangular prism = {5.5 × 6 × 3}

⇒ the volume of given rectangular prism = 99