Difference between revisions of "Cylinder"

 
(Formulas)
Line 7: Line 7:
 
* Surface [[area]]: <math>2 \pi r^2 + 2 \pi r h</math>
 
* Surface [[area]]: <math>2 \pi r^2 + 2 \pi r h</math>
 
* [[Volume]]: <math>\pi r^2 h</math>
 
* [[Volume]]: <math>\pi r^2 h</math>
 
+
* The volume of a cylinder is thrice the volume of a cone with the same base radius and height
  
 
==See also==
 
==See also==

Revision as of 17:13, 27 July 2023

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A cylinder is a solid generated by rotating a rectangle about one of its edges. A cylinder may also refer to the surface of such a solid. A cylinder may also be thought of as the solid bounded by two parallel planes and the set of all points equidistant from a line perpendicular to both planes. Thus, a cylinder has two circular flat surfaces--think of a can of soup. Typically, to solve for surface are or volume of a cylinder, the radius of the circular faces and the height of the cylinder are involved.


Formulas

  • Surface area: $2 \pi r^2 + 2 \pi r h$
  • Volume: $\pi r^2 h$
  • The volume of a cylinder is thrice the volume of a cone with the same base radius and height

See also