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Mathematics 7 Online
OpenStudy (anonymous):

What is the approximate volume of this cylinder? (Use π = 3.14.) http://static.k12.com/calms_media/media/537000_537500/537010/2/a1fbde5c5916e2f0576777f374088413e1bb745a/62180_question.jpg

OpenStudy (godlovesme):

V=pi* r^2 * h

OpenStudy (godlovesme):

What'd the radius?

OpenStudy (godlovesme):

What's***

OpenStudy (godlovesme):

@pizzalover123 ya there???

OpenStudy (godlovesme):

Lemme know when u r back :)

OpenStudy (kendricklamar2014):

Volume of a Cylinder:\[V= \pi r^2 h\]

OpenStudy (kendricklamar2014):

Now we substitute what we know:\[V=3.14*16^2*24\]

OpenStudy (kendricklamar2014):

When you multiply that ^ what do you get @PizzaLover123

OpenStudy (anonymous):

Back @KendrickLamar2014 @Godlovesme

OpenStudy (anonymous):

Sorry was eating dinner.

OpenStudy (anonymous):

1,205.76 @KendrickLamar2014 @Godlovesme

OpenStudy (anonymous):

1,205.76 x 2 = 2,411.52

OpenStudy (kendricklamar2014):

What is:\[16^2\] @PizzaLover123

OpenStudy (anonymous):

256? @KendrickLamar2014

OpenStudy (kendricklamar2014):

Yes, now what is:\[3.14*256*24\]

OpenStudy (anonymous):

19,292.16

OpenStudy (anonymous):

thats not any of the options...

OpenStudy (kendricklamar2014):

What are the options @PizzaLover123

OpenStudy (anonymous):

A. 200.96 m3 B. 602.88 m3 C. 1205.76 m3 D. 4823.04 m3

OpenStudy (godlovesme):

Its not A

OpenStudy (godlovesme):

@pizzalover123 @kendricklamar2014

OpenStudy (anonymous):

What is it?:p

OpenStudy (godlovesme):

16 isn't radius it's diameter Radius = diameter/2 = 16/2 = 2 Volume = 3.14* 8^2. * 24 volume = 4823.04m^3 :) hope that helped!

OpenStudy (anonymous):

OH NOW I SEE THANKS

OpenStudy (godlovesme):

Anytime :)

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