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Mathematics 15 Online
OpenStudy (anonymous):

CONFUSED!

OpenStudy (anonymous):

A cone-shaped tent has a diameter of 12 ft and a height of 6 ft. What is the approximate volume of the tent? Use 3.14 to approximate pi, and express your final answer to the nearest tenth

OpenStudy (anonymous):

IS it 226.2 or 266.1?

OpenStudy (anonymous):

226.2

OpenStudy (anonymous):

are you sure?

OpenStudy (anonymous):

yes I'm in 6th grade but I'm a math nerd I'm taking a highschool course

OpenStudy (amistre64):

how do we determine the volume?

OpenStudy (amistre64):

id suggest we work the process instead of just 'relying' upon someones acceptance or rejection of it

OpenStudy (anonymous):

V=πr2h/3

OpenStudy (amistre64):

good height is given whats the radius?

OpenStudy (anonymous):

the radius is half of the diameter so its 6

OpenStudy (amistre64):

then 3.14 * 6^2 * 6/3 36 * 3 is 72 72*3.14 is going to be about 226 so now we have proof that back it up :)

OpenStudy (anonymous):

but it says to round to the nearest tenth and I keep getting 226.1 or 226.2

OpenStudy (amistre64):

so your 266 was a typo

OpenStudy (amistre64):

226.08 seems we rnd up

OpenStudy (anonymous):

I also suggest making an account on Khan academy there videos and lessons can be very helpful

OpenStudy (amistre64):

khans ok i guess ... they never really appealed to me tho.

OpenStudy (anonymous):

here is a link https://www.khanacademy.org/

OpenStudy (anonymous):

226.19467439999997

OpenStudy (anonymous):

here is a link to videos https://www.khanacademy.org/search?page_search_query=volume%20of%20a%20cone

OpenStudy (amistre64):

use 3.14 and 6^2 * 6/3 http://www.wolframalpha.com/input/?i=3.14*6%5E2*6%2F3 follow the instructions that they have given you ....

OpenStudy (anonymous):

yes both sites seem very helpful I just feel khan academy is a little more motivational

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