Formula for Figuring out the Concrete Required for a Cylinder

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The formula for figuring out the concrete required to make a cylinder will require you to work with the volume. Find out about the formula required to figure out the concrete to make a cylinder with help from a professional private tutor in this free video clip.

Part of the Video Series: Math Made Easy
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Video Transcript

Hi, I'm Rachel, and today we're going to be going over a formula for figuring out how much concrete you need in a cylinder. So let's look at a cylinder. The volume of anything is going to be the height of the shape multiplied by the area. So let's say we know that the area of a circle right is pi r squared so to find the volume we're just going to multiply that by the height of the cylinder. So let's say we have a radius right, half of the diameter of six. So we're going to multiply pi by six squared, right. By the height. Let's say is ten. OK then we just simplify that out, six squared is 36 times ten is 360 so we get 360 pi and make sure you write units cubed. Whatever the units are make sure you cube them because volume always needs to be cubed. And that's it. I'm Rachel and thanks for learning with us today.


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