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Mathematics 20 Online
OpenStudy (keana):

what is the cross section parallel to the base of a cone? sphere ellipse sphere triangle circle

OpenStudy (primeralph):

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OpenStudy (keana):

a line

OpenStudy (johnweldon1993):

Hmm think about it like this...you have an ice cream cone If you cut it perfectly in half horizontally....and then looked at it from the bottom...what shape would you see?

OpenStudy (keana):

a cone? a triangle?

OpenStudy (primeralph):

Looking at it from the bottom....

OpenStudy (keana):

circle

OpenStudy (primeralph):

There you go.

OpenStudy (keana):

it can't be a circle though

OpenStudy (johnweldon1993):

Correct^

OpenStudy (primeralph):

Oh why?

OpenStudy (keana):

someone told me "diagonal cross section of a cylinder" was a circle

OpenStudy (keana):

it can't be be both

OpenStudy (primeralph):

?

OpenStudy (keana):

what is the diagonal cross section of a cylinder then?

OpenStudy (primeralph):

So because a circle can come out of a cylinder, it must not be able to come out of a cone?

OpenStudy (keana):

idk! i'm confused. i can't use circle 2 times

OpenStudy (primeralph):

The cylinder diagonal thingy is not a circle.

OpenStudy (keana):

then what is it

OpenStudy (primeralph):

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