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Volume of a Cube

Page history last edited by PBworks 16 years, 4 months ago

 

 

Definition

 

 

 

Volume

 

Volume is the amout of space that an object takes up.

 

 

 

Cube

 

 

A cube is a solid 3-D figure with six congruent square faces.

 


 

 

 

To find volume of cube you use the formula; L*W*H

 

                                                                                                                                   (Lenght*Width*Height)

 

 

 

For example:

The length of a cube is 5in.

The Width of the cube is 5in.

The Height of the cube is 5in.

(L*W*H)

5in*5in*5in=125in^3

5in^3

 


 

Different volume formulas

 

 

 

cube = a 3

 

 

rectangular prism = a b c

 

 

irregular prism = b h

 

 

cylinder = b h = pi r 2 h

 

 

pyramid = (1/3) b h  

 

 

cone = (1/3) b h = 1/3 pi r 2 h  

 

 

sphere = (4/3) pi r 3 

 

 

ellipsoid = (4/3) pi r1 r2 r3 

 

 

 

 

 

Examples:

 

 

 

Pi=3.14

r=2

h=6

3.14*2^2*6= 23.66

 

 

 

 

 

 

 

 

h=5

L=3

W=7

5*3*7=105 


 

 Links

 

 

 

http://www.math.com/tables/geometry/volumes.htm

 

http://aaaknow.com/exp79_x4.htm

 

http://www.science.co.il/Formula.asp

 

http://math.about.com/library/blmeasurement.htm

 

 

 

 

 

 

 

Comments (20)

Anonymous said

at 10:14 pm on Oct 23, 2007

hi Adela.
you spelled definition
wrong.
just sayin =]

Anonymous said

at 10:42 pm on Oct 25, 2007

You need to review the definition of a cube. You seem to be talking about rectangular prisms.

Anonymous said

at 8:43 pm on Oct 30, 2007

Hi Adela! In case you don't remember who I am...uh...I'm the short little girl whose PE locker is next to yours. You know, the one you keep patting on the head...Does that ring a bell? LOL!

Anonymous said

at 9:47 am on Nov 5, 2007

add some pictures :)

Anonymous said

at 9:54 am on Nov 5, 2007

Hiii Adewiiaaa-chaaaaaaaaan~~<3
Uhm, in the middle you wrote "5in*5in*5in=125in^3"
Shouldn't it not be cubed because you already used 5^3?
|>|-|33|2 |\/|3, 1337 3\/|1!!!~<3 =^__^=

Anonymous said

at 9:59 am on Nov 5, 2007

LOL i didnt get what marcia said in the last sentence... but GREAT PAGE!!! =D try and add more pictures.

Anonymous said

at 10:02 am on Nov 5, 2007

hey adela!

your page is good, but add more examples and maybe some pictures >___<

anddd~
sum of your words are bunched up :O
try fixing it
kthx~ bai o___O

Anonymous said

at 10:05 am on Nov 5, 2007

u r evil

Anonymous said

at 10:15 am on Nov 5, 2007

lol manya =P LOVE YOUR PAGE <3333333333333333333333333333!!!!!!!!!!!!!!!!!!!!!

Anonymous said

at 10:20 am on Nov 5, 2007

i said lol to manya's comment n said LOVE YOUR PAGE to ur page =P lol =D

Anonymous said

at 1:11 pm on Nov 5, 2007

hi adela! great page, it needs more content though.

Anonymous said

at 1:16 pm on Nov 5, 2007

you should use some pics

Anonymous said

at 1:25 pm on Nov 5, 2007

you need to put links and put more info

Anonymous said

at 1:26 pm on Nov 5, 2007

double space

Anonymous said

at 1:30 pm on Nov 5, 2007

pretty good.
you need to add some links and pictures to make it better.
:]]]]

Anonymous said

at 2:23 pm on Nov 5, 2007

hi adela...try to add some pictures....very colorful
make the font bigger so it seems like you did more work!

Anonymous said

at 2:37 pm on Nov 5, 2007

pictures would help, you know for visual people like me

Anonymous said

at 2:49 pm on Nov 5, 2007

nice page, but yu need to add more info bout your subject.

Anonymous said

at 7:43 pm on Nov 5, 2007

I like your page,it's very nice. But I think you have too many blank spaces...

Anonymous said

at 11:23 pm on Nov 21, 2007

You should discuss why we multiply and why the units of volume are cubed.

Can you pull out some the excess space in your page to make it easier to read?
2 of 4 points
8 of 12 total project points

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