For a sphere of radius r, find the ratio of the volume to the surface area. Simplify if possible.?

2 ⤊

2007-12-21 22:32:31 · 3 answers · asked by Math I 1 in Science & Mathematics ➔ Mathematics

V = (4/3) π r ³
A = 4 π r ²
--------V : A
(4/3)π r³ : 4 π r ²
------r/3 : 1
--------r : 3

2007-12-25 07:09:28 · answer #1 · answered by Como 7 · 2⤊ 0⤋

V=4/3 pi*r^3
A=4 pi r^2

V/A = r/3

2007-12-21 22:39:21 · answer #2 · answered by kuiperbelt2003 7 · 0⤊ 0⤋

4/3pi*r^3/pi*r^2

2007-12-21 22:36:07 · answer #3 · answered by Nur S 4 · 0⤊ 0⤋