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Mathematics 20 Online
OpenStudy (anonymous):

geometry volume

OpenStudy (anonymous):

OpenStudy (anonymous):

The formula to find the volume is

OpenStudy (anonymous):

"r" being the radius and "h" being the height

OpenStudy (anonymous):

so 70?

OpenStudy (anonymous):

Try again To solve it you have to multiply 7x7. Then multiply that answer by 10. It should look like; 7x7=49 Then 49x10=?

OpenStudy (anonymous):

so how do i do the formula for this? @chelsea1109

OpenStudy (anonymous):

@Breezyb123 @Brainybeauty @BlackLabel @beccaboo333 @Skyz @cram @CrazyCountryGirl @Kristen17

OpenStudy (anonymous):

Does this one give you a formula too?

OpenStudy (anonymous):

no

OpenStudy (anonymous):

why was i taged?

OpenStudy (anonymous):

to help lol

OpenStudy (anonymous):

Volume of a cylinder is \[\pi r ^{2}h\]

OpenStudy (anonymous):

oh lol :)

OpenStudy (anonymous):

Where r is the radius and h is the height f the cylinder.

OpenStudy (anonymous):

Put the values of r and h in the formula and you will get the answer. :)

OpenStudy (anonymous):

b. maybe not sure tho...

OpenStudy (anonymous):

Hey there @styx_skunks

OpenStudy (anonymous):

In that figure, you have a cuboid and a half cylinder. So you can find the volume of the cuboid by the formula length * breadth * height

OpenStudy (anonymous):

Now if you wanna find the volume of the half cylinder, you can apply the formula \[\pi r ^{2}h \] and divide it by 2.

OpenStudy (anonymous):

Are you there? @styx_skunks

OpenStudy (anonymous):

yea

OpenStudy (anonymous):

how do i find the ratius

OpenStudy (anonymous):

|dw:1409254554800:dw|

OpenStudy (anonymous):

I haven't drawn the full figure. Can you understand from this or should I make another one?

OpenStudy (anonymous):

If diameter is 5mm, radius is 5/2 = 2.5 mm

OpenStudy (anonymous):

Get it? :) If not I'm ready to try again

OpenStudy (anonymous):

yea

OpenStudy (anonymous):

So... try again?

OpenStudy (anonymous):

546 mm. @brainybeauty

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