Mathematics
8 Online
Nnesha (nnesha):
i need help
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OpenStudy (anonymous):
hey Nnesha! its me again
so you are trying to find the volume of this solid figure, right?
OpenStudy (anonymous):
do you know how to find the volume of a cylinder?
OpenStudy (anonymous):
very good! did we talk about that yesterday? i think we did
OpenStudy (anonymous):
anyways
OpenStudy (anonymous):
we have to plug in the variables
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OpenStudy (anonymous):
do you want me to check if your work is correct?
Nnesha (nnesha):
sure
OpenStudy (anonymous):
okay then
OpenStudy (anonymous):
what are you using for pi?
OpenStudy (anonymous):
3.14?
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OpenStudy (anonymous):
i didnt get 226.
Nnesha (nnesha):
no i just use pi in buttion
OpenStudy (anonymous):
lets look back at what you did.
the equation is \[\pi \times height \times radius squared \]
OpenStudy (anonymous):
did you dived the width by two?
OpenStudy (anonymous):
cuz we are supposed to square the radius, not the diameter
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OpenStudy (anonymous):
oh okay i see what you did here.
OpenStudy (anonymous):
you have to divide 6 by two
OpenStudy (anonymous):
then that gets you three
OpenStudy (anonymous):
that is what you square
Nnesha (nnesha):
oh ok 57
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OpenStudy (anonymous):
not quite
OpenStudy (anonymous):
cuz you have to get both of them to be inches
OpenStudy (anonymous):
one is feet and one is inches
OpenStudy (anonymous):
so get the two feet to equal ____ inches
OpenStudy (anonymous):
what does two feet equal in inches?
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OpenStudy (anonymous):
no, not yet. we have to convert the 2 feet to inches. remember?
OpenStudy (anonymous):
so what does 2 feet in inches equal?
Nnesha (nnesha):
ohhh ok
OpenStudy (anonymous):
yaa! you got it! so two feet is equal to 24 inches. i know you know that ;)
Nnesha (nnesha):
yeah :)
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OpenStudy (anonymous):
so what do we do now?
OpenStudy (anonymous):
we multiply pi by 9 and by 24
Nnesha (nnesha):
and then 679 dan dana :) :P
OpenStudy (anonymous):
yayyyyyyyyy!!!!!! nice job!!!
Nnesha (nnesha):
thanks
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OpenStudy (anonymous):
awwwww thank you for medal :)