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Mathematics 21 Online
OpenStudy (demonchild99):

Which two-dimensional shape can be rotated about the y-axis to create a cone?

OpenStudy (demonchild99):

i think maybe triangle as one...but i cant think of the other

OpenStudy (anonymous):

how about a line?

OpenStudy (demonchild99):

what do u mean?

OpenStudy (anonymous):

|dw:1423331726105:dw|

OpenStudy (anonymous):

line segment

OpenStudy (anonymous):

or a ray

OpenStudy (anonymous):

|dw:1423332024317:dw|

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