Let’s Find The Volume of the Cylinder - step-by-step….

TabletClass Math:
tcmathacademy....
Math help with finding the volume of a cylinder. For more math help to include math lessons, practice problems and math tutorials check out my full math help program at tcmathacademy....
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[@XXNerdzillaXX]

Woot! I remembered math from 20 years ago!!!

[@kingdomfor1]

As a quick calculation on my building sites , it's , length x circumference x radius ÷ 2 = how much concrete to fill each cylinder.

[@jokarmaths7771]

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[@jcjmz6660]

mmmmmm.....minor problem here the decimal approximation in my calculators if you multiply 32*pi = aprox 100.5309649 I see that you used exactly 3.14 for pi and it gave you 100.48 but that may confuse some students since almost everyone has a calculator or a phone now to do the calculation.....and you actually mentioned around 7:57 "if I go into my calculator" Just some constructive feedback....

[@lowellmccormick6991]

He will only miss the Moon by this much.

[@jokarmaths7771]

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[@DeclanOKaneMD]

You often make simple stuff more complicated

[@kennethwright870]

Area of circle * height, so (Pi*2^2)*8 =32pi sq ft

[@Aereaux]

D squared times Pi divided by 4 times the height. Pi divided by 4 = .7854. I use this when I a working with pipe figuring flow volumes. 1" diameter has an area of .7854. 2" diameter has an area of 3.1459. Etc.

[@jokarmaths7771]

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[@slshusker]

(Pi x R²) x Height...grade 4.

[@jokarmaths7771]

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[@warrendewson2314]

using pi will always be an approximation. never an exact answer

[@jokarmaths7771]

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[@jokarmaths7771]

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[@markjohnson4962]

Instant answer: Pi x R squared x height. 11 minutes to explain probably included the formula for the area of a circle. I didn't watch. Just wonder why these things take so long to explain.

[@jokarmaths7771]

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[@karak-4]

🌹🌹🌹

[@jokarmaths7771]

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[@alhajisuya9786]

Talk too much