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Surface Area Videos 8 videos

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GED Math 5.4 Measurement 217 Views


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Description:

GED Math 5.4 Measurement. What is the volume of a sphere that measures 18 meters across?

Language:
English Language

Transcript

00:00

Thank you We sneak in and here's your shmoop du

00:05

jour brought to you by spheres of influence Trust us

00:09

Your actions will be influenced when someone lobs one of

00:11

those fears at your head what's The volume of a

00:15

sphere that measures eighteen meters across And here the potential

00:19

answers All right so here's Another one of those problems

00:25

where you just have to know the formula Good thing

00:26

you spent those three months up in the mountains getting

00:29

in touch with your inner oneness and committing all those

00:31

bad boys to memory All thirds pi r q The

00:35

formula for the volume of a sphere is four thirds

00:38

pi r cubed Where are the radius of the sphere

00:42

Will be careful We're given the diameter right here where

00:45

it says eighteen meters but we need to take that

00:48

number and slice it in half before we proceed Eighteen

00:52

cutting half his nine So the radius is nine and

00:55

all righty Well now we have four thirds pi times

00:59

Nine cube Well nine cubes is let's See ten times

01:03

they want Seven hundred twenty nine The four thirds of

01:07

seven hundred twenty nine is or some one hundred twenty

01:10

nine times for is two thousand sixteen divided by three

01:14

on her nine hundred seventy two So the volume of

01:17

the sphere is nine hundred seventy two pi cubic meters

01:22

option a all right That's Probably a little too small

01:26

to be a planet and a little too big to

01:28

take Down the basketball court Four thirds pi r cubed

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