how-to-find-the-volume-of-a-cylinder

# Interactive video lesson plan for: How to find the volume of a cylinder.

#### Activity overview:

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http://geometrycoach.com/Geometry-Lesson-Plans/?pa=MOOMOOMATH
http://www.moomoomath.com/Volume-of-a-cylinder.html
Volume of a Cylinder
Hi Welcome to MooMooMath. Today we are going to look at finding the volume of a cylinder. I have two different types of cylinders. We have standard cylinder and the definition of a cylinder is a three dimensional figure where you have two circular bases. Know with this one you have two bases that are straight up and down. We also have another one in which the bases are parallel to one another but the bases don't stand on top of one another, they are offset. These are called an oblique cylinder, but you find the volume the same way. To find the volume it is very similar to finding the volume of a prism. You take the base area times the height. The only difference is that the base area is a circle so to find the area of a circle you use the formula for a circle which is pi r squared. So we will take pi r squared times the height of the cylinder. So let's throw in some numbers and give ourselves a radius of 4 and a height of 3 what would be the volume. Well you just go here and plug in the formula r equals 4 and h equals 3. So it will be pi times 4 squared times 3. This equals 16 times 3.14 times 3 is 48 and we will just attach the pi to the back, and since this is volume our units will be three dimensions because we are taking length, width, and height, and we are taking radius squared which is area times height which gives us the third dimension so that will be your units (inches, centimeters) cubed. Now let's look over the formula.
Volume of a Cylinder
Circular bases are parallel
Volume = Base Area times height
The base area of a cylinder equals πr^2 ∙h

Volume of a cylinder the easy way

Volume of a Cylinder/Math Help

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Tagged under: cylinder,geometric shapes,geometry lesson,Geometry,geometry ,math ,moomoomath,geometry, volume cylinder,Volume (Dimension)

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