Answer:
There is a 30% decrese.
Step-by-step explanation:
Can you show us the number line model?
Volume of a sphere of radius r is
V = (4/3)πr³
r = 9
V = (4/3)π(9³) = 12(9²)π = 972 π
Answer : 972π cubic units
The result is the perpendicular bisector of AB, perpendicular to the segment AB, and through its midpoint.