Which of the following best describes the volume of a solid

Option B

Step-by-step explanation:

we know that

The volume of a solid is the amount of space occupied by a solid object. The volume of solid is expressed as cubic units.

therefore

It is the amount of three -dimensional space inside the solid

first, you divide the triangle in two, tô form a retangle triangle. after, using pythagoream theorem:

18^2 = 14^2 + (x/2)^2

(x^2/4) + 196 = 324

x^2/4 = 324 - 196

x^2/4 = 128

x^2 = 512

x = √512

x = √2^9

x = 16√2 cm

i hope i you.