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Mathematics 7 Online
OpenStudy (x__hazel__x):

What is the exact volume of the cylinder? A. 1728 mm3 B. 1728π mm3 C. 864 mm3 D. 864π mm3

OpenStudy (x__hazel__x):

OpenStudy (missmeow):

The formula of a cylinder is pi*r^2*h

OpenStudy (x__hazel__x):

Thank you!

OpenStudy (missmeow):

so 3.14 * 36 * 34

OpenStudy (missmeow):

oops i meant 24 not 34

OpenStudy (missmeow):

so you should have 2712.96

OpenStudy (x__hazel__x):

I got 3843.36 :3

OpenStudy (x__hazel__x):

Also, that is not one of the choices XD

OpenStudy (missmeow):

can you draw your formula?

OpenStudy (x__hazel__x):

yes (: Hold on a sec

OpenStudy (x__hazel__x):

|dw:1455815184860:dw|

OpenStudy (x__hazel__x):

Oops! XD

OpenStudy (missmeow):

|dw:1455815153329:dw|

OpenStudy (x__hazel__x):

These are the choices: A. 1728 mm3 B. 1728π mm3 C. 864 mm3 D. 864π mm3

OpenStudy (missmeow):

the number 12 is the diameter, the radius is half of the diameter

OpenStudy (x__hazel__x):

Thank you!!

OpenStudy (missmeow):

D = 2712.96 No problem. :)

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