Cylinders
By: Will Davies, Remi Andre, Paul Carothers, and Blair Dodson

The definition of a cylinder: A surface or solid bounded by two parallel planes and generated by a straight line moving parallel to the given planes and tracing a curve bounded by the planes and lying in a plane perpendicular or oblique to the given planes.
Formulas for cylinders:

Volume= Area of base × height = pi × r2× h

Use 3.14 for pi.

Notice that the base of the cylinder is a circle and the formula to get the are is pi × r2


Example #1:

Calculate Volume cylinder if r = 2 cm and h = 5 cm

Volumecylinder = pi × r2× h

Volumecylinder = 3.14 × 22× 5

Volumecylinder = 3.14 × 4 × 5

Volumecylinder = 3.14 × 20

Volumecylinder = 62.8 cm3


Example #2:

Calculate Volumec ylinder if r = 4 inches and h = 8 inches

Volumecylinder = pi × r2× h

Volumecylinder = 3.14 × 42× 8

Volumecylinder = 3.14 × 16 × 8

Volumecylinder = 3.14 × 128

Volumecylinder = 401.92 inches
3
Videos on cylinders:
How do you find the volume of a cylinder?
Watch this Video and you will find out.
http://www.brainpop.com/math/geometryandmeasurement/volumeofcylinders/






Cylinders in society:
01-b.jpg
oxygen tank
13719644.jpg
soup can
cylinders.jpg
soda cans
lamp_post.jpg
lamp post
Fire_Ext.jpg
fire extinguisher


Websites that include cylinders.
This web site has all you really need to know about cylinders.
http://www.mathsisfun.com/geometry/cylinder.html









Sources:
http://www.brainpop.com/math/geometryandmeasurement/volumeofcylinders/
http://www.mcfd2.org/images/Fire%20Ext.jpg
http://images.art.com/images/products/large/13719000/13719644.jpg
http://www.spongenewmedia.co.uk/images/coke-cans.jpg
http://www.ozoneservices.com/products/OLO/images/tank/01-b.jpg
http://carolineknox.com/lamp%20post.jpghttp:
//www.basic-mathematics.com/volume-of-cylinders.html