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Mathematics 19 Online
OpenStudy (anonymous):

HELP DOES ANYONE KNOW HOW TO DO VOLUMES CYLINDER? I GIVE MEDALLLS!!!!!!!!

OpenStudy (anonymous):

The volume of a cylinder, found using 3.14 to approximate pi, is 50,240 cm3, and the radius is 40 cm. What is the height of the cylinder? _______cm

OpenStudy (anonymous):

ITS THE LAST QUESTION!!!!!!

OpenStudy (anonymous):

ya volume of cylinder formula: is pi*r^2*h plug it into this equation this website might help http://www.mathopenref.com/cylindervolume.html

OpenStudy (anonymous):

I got 25,640 but I might me wrong so just look at @neharikam 's website first (:

OpenStudy (anonymous):

Can you explain how's you get that Madison :)

OpenStudy (anonymous):

And i don't know how to work the website

OpenStudy (anonymous):

@sleepyjess

OpenStudy (anonymous):

how i got this formula: oh thats the formula i memorized it but u can derive it too. the volume of a cylinder = Bh; in this case B= to area of base. since the area of the base in this case = a circle the formula for a circle is pi*r^2 and u multiply it by its height so ya hope that helped

OpenStudy (anonymous):

Okay but it shows only the rdius

OpenStudy (anonymous):

How would i plug int he height if there asking for the heeight

OpenStudy (anonymous):

radius*

OpenStudy (alexandervonhumboldt2):

v9lune of cylinder=pi*r*r*h

OpenStudy (alexandervonhumboldt2):

50240/40/40/3.14=h

OpenStudy (anonymous):

Yes i understand the formula, i'm asking how would i plug in the height when they only give me the radius which is 40 ?

OpenStudy (alexandervonhumboldt2):

you know volume and pi

OpenStudy (alexandervonhumboldt2):

50240=h*40*40*3.14

OpenStudy (anonymous):

Yes 3.14

OpenStudy (anonymous):

ya thats right @AlexandervonHumboldt2

OpenStudy (alexandervonhumboldt2):

you know radius volume and pi which is enught for finding height

OpenStudy (anonymous):

do u know how to solve equations? if u do u will have to find for the variable in this case is h do u get it?

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