2007-06-22 14:26:31 · 3 answers · asked by Stefani ♥ 2 in Science & Mathematics ➔ Mathematics
V = (2/3).π.r³
V = (2/3).π.3³
V = (2/3).π.27
V = 18.π
V = 56.5 units³ (to 1 dec. place)
2007-06-23 06:15:20 · answer #1 · answered by Como 7 · 0⤊ 0⤋
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They're half those for a sphere. Volume: sphere, V = (4/3) pi r^3 hemisphere, V = (2/3) pi r^3 Surface Area sphere, A = 4 pi r^2 hemisphere, A = 2 pi r^2 Note: for the surface area of a hemisphere, if you want to include the circle underneath it, it would become 2 pi r^2 + pi r^2 = 3 pi r^2
2016-04-08 05:17:41 · answer #2 · answered by Anonymous · 0⤊ 0⤋
The volume of a hemisphere is given by the formula
2/3*pi*r^3
here r=3 units
hence the volume is
(2/3)*3.14*3*3*3 cu. units
=56.52 cu.units
2007-06-22 15:25:01 · answer #3 · answered by alpha 7 · 2⤊ 0⤋
v = ((4/3)πr³)/2
v = (2/3)πr³
.
2007-06-22 14:30:23 · answer #4 · answered by Robert L 7 · 2⤊ 0⤋
sry i forgot them,
2016-03-20 08:01:20 · answer #5 · answered by Edeltraud 4 · 0⤊ 0⤋