Volume of a Cone | MathHelp.com

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This lesson covers the volume of a cone. Students learn that the formula for the volume of a cylinder is pi times radius squared times height, so the volume of a cylinder that has a radius of 10 feet and a height of 40 feet is pi times 10 squared times 40, or pi times 100 times 40, or 4000 pi cubic feet. And since pi = 3.14, 4000 pi cubic feet can also be written as 4000 times 3.14, or 12,560 cubic feet. Students also learn that the formula for the volume of a sphere is 4/3 times pi times radius cubed, and the formula for the volume of a cone is 1/3 times pi times radius squared times height.

[@bumblebeesoundwave3089]

When you’re looking this up for homework and start scrolling down at the comments

[@sakilev8403]

dood y am I doing that rn

[@cSedx00022]

Sameee qwq

[@abdussubhanmiah8900]

Lmao me too

[@monsterpichu8112]

😂 for real

[@nikkie6963]

fr man lmao

[@dansko141]

When KZbin is better than your actual teacher (edit) i came back, i forgot i had this. and 630 LIKESSSS

[@rashellmiramontes4582]

@Sadiyyah Sultana 😂😂😂😂😂

[@falenrobinson484]

Actual

[@juleimyalmonte]

Very true

[@lis5334]

Lol true

[@altairdub]

@Sadiyyah Sultana sounds about right lmfao

[@bokutowifuuwu9740]

How does she explain it better in such a short amount of time then my teacher who has a whole hour to do it 😭

[@aaaa-dv7wy]

Fr fr 😭😭 and you didn't even learn anything

[@gaypp6175]

"loads shotgun"

[@kelliya9818]

cause your teacher is getting paid by the day?

[@Nobodyishereeel]

FR

[@ncloesunshine]

Did anyone else realize how huge that whiteboard is? 😂😂

[@freebird3203]

Pøwer Tø The Løcal Dreamer lol yeaaaa

[@RyanSeasunk]

Me, is where the school budget goes

[@debminugh5201]

nice joke but where’s the funny part.

[@mahigupta8505]

nah

[@Chuck.Reynolds]

I thought it was a digital green screen 😂

[@DManu227]

When ur forced to do this

[@TheM1ghtyBear]

TRUEEE

[@ItsSashx]

Fuk

[@trenchkid2311]

It’s 2 minutes calm down

[@jupiterlove76]

when you are focused but it dont register... thats me

[@Naiobia]

I literally hate when they put fractions in formulas how are we supposed to incorporate that

[@random...3723]

I don't like decimals instead.

[@Naiobia]

@@random...3723 I don't even know how to make a fraction into a decimal

[@random...3723]

@@Naiobia aye.....😢 I have to agree, the *converting is pretty weird😵😭

[@reyesjrjesus]

Another way to solve this is instead of multiplying 1/3 by the equation, you could just solve the equation the way you usually do; and then divide the whole thing by 3. For example 3.14 * r2 * h = answer divide by 3. This makes sense because a cone is a third of a cylinder. What I mean by this is a the total volume of a cone takes approximately 1/3 of the space a cylinder does. Good luck! and hopefully this will help

[@meksaykids3544]

this lady has no idea how much she’s helping me pass pre algebra this year

[@aksel8342]

She looks depressed and annoyed about her job.

[@TheAssassin000]

exACTly

[@abeehahassan857]

Aksel ikr

[@venomousonion4928]

That’s kind of true

[@dharshini_prabu16]

@@sterlingsinclair5327 tf?

[@otherkasaye2561]

@@sterlingsinclair5327 how tf is someone teaching math "sexy"? stop sexualizing her.

[@dayannaayalec2810]

i got lost at the cancelation part

[@i_cant_say_who_i_am3204]

@Xiang Li DUDE I LOVE U I was about to give up ty

[@8xsa7a57]

Muchas gracias amigoe

[@dayannaayalec2810]

Xiang Li you replied a little too later but i understand it now

[@rashellmiramontes4582]

@Xiang Li ????? I cant process that

[@hylh04]

@@rashellmiramontes4582 18 divided by 3 equals 6

[@alanacidmyer]

stop looking at the comments you need to focus you're welcome

[@nehemiahdasent1090]

Oh shut the fuck up

[@user-zf8gy1yw1p]

@@nehemiahdasent1090 no u

[@sleepyy4833]

@@nehemiahdasent1090 he's trying to help wdym?

[@red-zi4ye]

no

[@jajie-yl4hu]

You, how did you?

[@PeterParker-mo2zd]

When Mr. Stark quizzes you about the volume of a cone and you have to look this crap up again...

[@foxmcfog7809]

Marvel fan cringe

[@jxstjohnny]

@@foxmcfog7809 yeah

[@imaginareydecon9487]

Laughs nervously what

[@hellothere8803]

Why did she look so depressed all video long, until the last 2 seconds when she gave her sinister smile 😂

[@monkeymann684]

🤣🤣🤣🤣

[@DALX-KUN]

Yeah a creepy ass smile 😂

[@meksaykids3544]

i’ve tried to pay attention to my teacher and different videos but this is the only lady that makes it make sense. for some reason she’s the only person i can pay attention to this year. and she has noooo idea how much she’s helping me pass pre algebra this year so thx for making this video... five years ago.

[@Itzabi3]

You mean 7 years ago 😊

[@wuggybuggy]

When you have to watch cause of quarantine, but think it’s all going good until that smile at the end 😔😳

[@avocadoeater2725]

the smile at the end will keep me up at night😨

[@sharjeelahmed6022]

Damn😂😂

[@reyesjrjesus]

Another way to solve this is instead of multiplying 1/3 by the equation, you could just solve the equation the way you usually do; and then divide the whole thing by 3. For example 3.14 * r2 * h = answer divide by 3. This makes sense because a cone is a third of a cylinder. What I mean by this is a the total volume of a cone takes approximately 1/3 of the space a cylinder does. Good luck! and hopefully this will help

[@shoolkidsterraschool7779]

That smile at the end💀💀...

[@MsBajanSensation]

Lol that smile at the end lol 😂 showing us the long ass route!!!🙄

[@MorrisPXG]

lmaolmaolmaolmao

[@jk-nq1bf]

Bro if my teacher was her, I would definitely pay attention to class.

[@husband-of-chinggis]

sis looks about as happy to be here as we are 😭

[@kehmarSha]

hey quarentine buddies, hope your doing well in class. math is hard without a teacher but dont give up. because sadly this quarter grade still counts 😞

[@Raf-qz7ih]

BRUH THIS IS FROM 11 MONTHS AGO? QUARENTINE WAS THAT LONG?

[@imaginareydecon9487]

I searched this up because I have a test and no clue what I’m doing

[@kehmarSha]

@@Raf-qz7ih damn, i just noticed that myself

[@quilviotioschotborgh4044]

Cross cancel is like dividing, to the ones who don’t know.

[@absolutelychampagne]

Thanks :)

[@Miostarlet_]

Tyy

[@snake9062]

was i the only one that saw that cringe smile at the end?

[@bandconcert2969]

A_lot_happened_ i saw that too lmao

[@germerose]

Me too

[@m.4173]

'I agree I don't like her creepy Cringy smile.' ,-,

[@sakilev8403]

nah i saw that before consuming the knowledge lmao

[@cSedx00022]

Hello past.

[@rashellmiramontes4582]

This creepy teacher is my salvation. Better than Khan Academy.

[@andygarcia2303]

EXPLAIN THE “cross cancel” PART! Lol like how does that even happen??

[@1981redjeep]

She divided the 3 from 1/3 to 18 from 18/1 which equals 6

[@1981redjeep]

Its like cross multiplication except you divide

[@annafam3429]

@@1981redjeep do you do this everytime you find the volume of a cone?

[@bareeraaa8905]

@@annafam3429 You can do it without simplifying too but simplifying makes it easier

[@ZachMusic200]

This lady can explain this math faster and easier than my online teacher

[@sonubawa3408]

#MathHelpers

[@hewwo5296]

True

[@Jimmysalsa]

Bro Ik this is old but like this actually is helping through this quarantine online math Thing... thanks so much

[@bravesquid6183]

i feel you bro

[@cambodiavlogs6832]

Thx I was doing it while a test

[@vickye.4449]

Thank you for helping me do my geometry homework 😂❤️

[@tired6276]

Geometry?

[@vickye.4449]

VibeZz yes geometry

[@joseemmanuelpalomar9621]

Yeah mr too LOL

[@luis-vw2xb]

bruh this woman explains better than teachers during this pandemic

[@thefruitiespebble6846]

right tho but can we talk about that smile at the end🤣🤣🤣

[@jacobgrogan4420]

I like how she narrows the equation down to make it more simple. She does a very good job at teaching this.I don’t like how she uses cm in the equation instead of just writing it at the end

[@BeaR-gd8ll]

Im convinced math is easy, its just the way teachers teach it that makes it hard

[@elitexdarkskin1500]

You right. That smile is cringy af

[@deleted5917]

Yeah.

[@jaydenbarragan9497]

The clearest way I have ever seen an instructor show to solve a math problem

[@franzabuyan29]

That cringe smile at the end 😂

[@OGMickey17]

Comments: 25% - people confused on problem 40% - smile at the end 35% - forced to watched this

[@reginageorge7079]

Your roblox avatar is trash

[@OGMickey17]

@@reginageorge7079 ...

[@fortnitemyboy2147]

Thx you really helped me on my homework! 👍

[@krxtherthewizard6100]

0:10 she hates what shes doing lmao

[@sal9523]

One of the BEST examples out here!! No joke. :) thank you!!!

[@Akidnamedclavin]

math simp

[@dipikaanand6769]

@@Akidnamedclavin lol

[@wh24kplo_zayy40]

it actually isnt she forget to do half of the radius

[@wgulliver]

Why don't you also cross-cancel the (64cm2)?

[@anienielethaanoynomoue8076]

You is the best teacher here, people focus on the wrong thing,they don't know what you're going through just criticize and complain on you

[@nobye4902]

The way she smiled at the end like I understand all of that-

[@absolutelychampagne]

This woman has helped me so much and I love her but the face she does as the end of these videos is just too funny 😂😭💀

[@chair9260]

Why is this more helpful than online class and her voice is so energetic it makes math fun

[@marlenepantoja1400]

KZbin adds: Are these math videos on KZbin really helping you Me:Yes, yes indeed

[@annat4428]

She smiles as if she was held against her will and told to teach us math.

[@CashGarrett548]

Because she was

[@jasondelap7256]

YOU DONT HAVE TO SAY CENTIMITERS EVERY SINGLE TIME, JUST SAY THE NUMBER

[@mblbflo4582]

What the hell

[@kG-ru6vc]

Thank you very much well done ; please post more videos . From Pennsylvania with love.

[@suicide69ff]

2:42 uhh! that fake smile ....LoL

[@marvinponay6729]

You explain better than my math teacher And I know how to solve the volume THANKS!!!!!

[@mareqly]

I been learning how to do this kind of math all year and I press on this video and learn it in less than a 2 minutes crazy

[@A9X137]

whos here but would rather be somewhere else but because of online classes you have stay here

[@kalisitovukimaisamoa5257]

She really helped my daughter ❤

[@ArtangelesM]

I wish all these teachers would stop skipping steps so i can actually see what's going on.

[@abysser3941]

great teacher and lesson but next time could there be more examples

[@mrwolfgod5400]

Height 24 radius 16

[@jolie5122]

YOU ARE ONE OF MY FAVORITE PEOPLE EVER

[@koaboa]

So glad quarantine made me come here

[@rashellmiramontes4582]

who here is watching this due to online classes?😒

[@CzarWody0005]

my teacher said we won't need this in life but still makes us do this. THEN WHY DO WE DO IT HUH LIKE HELLLOOOO

[@jordy7558]

Pov your taking a school net test and don’t know how to do this

[@iruezen]

The way u just smile makes me feel like this math is too hard

[@iamthekwan]

Why the heck is explained so complicatedly. Just remember this - Volume of a cone is 1/3 the volume of a cylinder. Done. Recap: a. Volume of anything = Area x height. b. If the area is a rectangle, then Volume = Width x Length x Height. c. If the area is a circle, then Volume = Pi x Radius squared x Height. A cone or pyramid is basically a triangle cross-section of a cylinder or a box. So logically its volume is 1/3 of that.

[@avawalsh7773]

when my height is 10cm and it doesn’t cross cancel.... pain.

[@haekte]

This helped soo much my teacher explained it for an hour but then a stupid idiot erased the examples and I my brain went numb thinking how to solve it😂

[@reginageorge7079]

Definitely a math teacher

[@christianmccloskey1014]

If Siri was a person

[@bryancruz109]

She explained it better than my teacher

[@chalokipskips2352]

The example was wonderful thanks alot i understand God bless you.

[@logronioguineverreashleyg.8808]

How about if the givens are: Radius=15 Height=17

[@logronioguineverreashleyg.8808]

It’s kinda tricky about 17 and1/3 because 18 is even(in the video)and 17is odd

[@Triggapulla561]

When you’re terrible at math but still passing with a B and school is about to end

[@earljohnignacio7820]

Find the height a cone from which a conical frustum of height 10 cm originated. The radii of the bases of the frustum are 6 cm and 15 cm. Solve for the volume of the cone.

[@khushboo4882]

In India we take pie value as 22/7 .

[@gaypp6175]

in usa we take pi as 3.14

[@trinitymerrill4171]

Her makeup tho😭😂

[@hans5445]

I love how she teaches

[@thakurchhavirana3527]

Thankyou miss ❤️

[@nikolatesla105]

who on earth would dislike this video....probably her....

[@zion7335]

She forgot about the radius

[@thatmf5181]

Quarantine learning really isn’t working for me

[@bluehorse4217]

Bruh she literally explained something that I had troubles with in like a few minutes my god

[@Ajayallclasses]

Mam, You are both beautiful and intelligent. You have a lovely voice. Your voice directly reach our heart 💖💓

[@benny2758]

Thank you

[@zoetorres7977]

Online school is feeling pretty optional rn ima just not do it 😄

[@801.playboii4]

whos here during corona because of your finals

[@Player-ig3xy]

Thanks for the easy way

[@tomasciron7253]

i can't understand the crossing one

[@ryaanaslam7827]

GUYS WHY DID SHE PUT 2 VOLUME FORMULAS AT THE START

[@jazlynlavadia9748]

thanks at first i didnt understand my lesson thx

[@haeyyz_]

omg! thank you for the explanation miss

[@sharjeelahmed6022]

Tbvh I am just laughing while reading the comments about her smile at the end😭😂

[@cameronhaan8286]

Anyone else here for quarantine?

[@bruhness8503]

What if the 1/3 was still there?

[@terizela0808]

Apakah gw yg hanya org indonesia :'( Tanks you my from indonesia

[@danv04]

what do i do if they dont cross cancel

[@niyaswrld9943]

Just multiply them regularly

[@DanielLindaBrian]

Great explanation !!!!!!!

[@5050mixture]

pause at 0:01

[@sbahyabdulla3071]

Thank you ❤

[@peregrinosienes534]

The cone volume is - 1/2 base area X height

[@mr.draven9809]

Pause at 0:27

[@thiccmcchicken550]

Draven Plays what am I looking at? besides a weird face

[@al100conelrey]

I wish she was my teacher very well explain than you

[@mrp8488]

Yep, wouldn't mind having to stay after school.

[@germerose]

She is better than my teacher

[@xx_theman_xx8511]

I agree