Question

The volume of clay used to build a cylindrical pillar with a height of 9 centimeters is 324π cubic centimeters. The area of the base of the pillar is ______ π square centimeters.

Answer 1

@amorfide

Answer 2

whats the formula for volume of a clyinder?

Answer 3

V=πr2h

Answer 4

ok tell me where the 324 pi came from?

Answer 5

nope

Answer 6

Im leaving Im not understanding the question

Answer 7

ok bye

Answer 8

you are given height
you know the volume

so lets use the volume of a cylinder

\[V=\pi(r)^{2}h\]
we need to work out the radius so use this formula to figure it out

then we want the area of the base of the pillar, which is the area of a circle with radius which we work out

area of a circle

\[A=pir^{2}\]

Answer 9

so you could just divide the volume of the pillar by the height to get your answer

Answer 10

so its 36?

Answer 11

36pi

Answer 12

yes

Answer 13

would appreciate a medal for best answer if I helped :)