Using geometry, calculate the volume of the solid under z=9−x2−y2‾‾‾‾‾‾‾‾‾‾‾√ and over the circular disk x2+y2≤9.Using geometry, calculate the volume of the solid under z=9−x2−y2‾‾‾‾‾‾‾‾‾‾‾√ and over the circular disk x2+y2≤9.