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Mathematics 8 Online
OpenStudy (anonymous):

find the surface area of the cylinder with a=3cm and b=4cm.use 3.14 for pi

OpenStudy (anonymous):

|dw:1340821110769:dw|

OpenStudy (diyadiya):

Do you know the formula?

OpenStudy (anonymous):

2pir squared+2pirh

OpenStudy (anonymous):

i think i figured it out.i got 131.88

OpenStudy (diyadiya):

YES! You're Right! :)

OpenStudy (anonymous):

okayy thank youu:)do you know how to find the volume of a cylinder?

OpenStudy (diyadiya):

Yes! Volume of a cylinder = \(\pi* r^2 * h \)

OpenStudy (anonymous):

it wont show it

OpenStudy (diyadiya):

r = radius h = height Volume of cylinder = pi * r^2 * h

OpenStudy (anonymous):

what is the ^?

OpenStudy (diyadiya):

r to the power 2 or r squared :)

OpenStudy (anonymous):

okayy thank you:)

OpenStudy (diyadiya):

You're Welcome :)

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