I FOUND YOUR COMPLETE QUESTION IN OTHER SOURCES.
PLEASE SEE ADJUNTED IMAGES.
The volume of the cone by definition is:
V = (pi * r ^ 2 * h) / 3
Where,
h: height
r: radius of the base
Substituting the values we have:
V = ((3.14) * (12) ^ 2 * (8)) / 3
V = 1205.76
V = 1206
Answer:
V = 1206
Option A.
