How do you find out the area and perimeter of a sphere, I can't figure it out for the life of me!!
2007-04-14 04:41:34 · 6 answers · asked by Andrew B 1 in Science & Mathematics ➔ Mathematics
I mean Volume
2007-04-14 04:54:14 · update #1
I was going to say, there's no such thing as the area of a sphere (lol). :)
Well, there's no such thing as the perimeter of a sphere, and that's because perimeter deals with two dimensional objects, and a sphere is a three dimensional object. I think you mean surface area.
Okay, the volume of a sphere can be found by this equation:
V=4/3πr³
where V stands for volume and r stands for the radius of the sphere.
Now, the surface area for a sphere can be found by the equation:
SA=4πr²
where r stands for the radius of the sphere and SA stands for surface area.
There you go. I'm glad I could help. :)
2007-04-14 05:01:54 · answer #1 · answered by iamanicecaringfriend 3 · 2⤊ 0⤋
Perimeter Of A Sphere
2016-11-07 01:27:26 · answer #2 · answered by ? 4 · 0⤊ 0⤋
A sphere is a 3-dimensional object, it doesn't have a perimeter. Perimeter = outline. As for area, the formula for the surface area of a sphere in 4 x pi x radius x radius.
2007-04-14 04:50:23 · answer #3 · answered by numbcat 2 · 1⤊ 0⤋
RE:
How do you find the area & perimeter of a sphere?
How do you find out the area and perimeter of a sphere, I can't figure it out for the life of me!!
2015-08-04 08:13:57 · answer #4 · answered by Melva 1 · 0⤊ 0⤋
Do you mean find the volume and surface area of a sphere?
Because if it is, then :
volume = (4/3)*pi*r^3
Surface area = 4*pi*r2
2007-04-14 04:49:08 · answer #5 · answered by Asia 4 · 3⤊ 0⤋
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Note that the area of the circle is A = πr². That is: A = π(10)² ==> 100π ft² The perimeter of the circle is C = 2πr. That is: C = 2π(10) ==> 20π ft I hope this helps!
2016-04-10 21:49:40 · answer #6 · answered by ? 4 · 0⤊ 0⤋
instead of sphere it must be circle.
area=pi* r^2
perimeter=2*pi* r
sphere has volume.
2007-04-14 04:48:59 · answer #7 · answered by iyiogrenci 6 · 1⤊ 1⤋
all i know is for a circle area is 3.14xradius square. the perimeter is the circumfrence which is 3.14x the radius.
2007-04-14 04:48:38 · answer #8 · answered by greeneyed_gurl12@yahoo.com 2 · 0⤊ 1⤋
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2014-07-23 05:16:41 · answer #9 · answered by Anonymous · 0⤊ 0⤋
Did'nt you listen to your teacher! I did and I still dont understand. It's all Greek to me.
2007-04-14 04:57:46 · answer #10 · answered by Anonymous · 0⤊ 1⤋