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Mathematics 10 Online
OpenStudy (anonymous):

If a rectangle is rotated about the y-axis as shown below, what three-dimensional polyhedral would be formed?

OpenStudy (anonymous):

OpenStudy (anonymous):

Rectangular prism Cone Cylinder Square pyramid

OpenStudy (anonymous):

A cylinder, imagine a point on the outer edge only- it will trace a circle, so the outer edge is made of circles of the same radius. Likewise, the lines on the top and bottom trace out disks, so the endcaps are disks, hence a cylinder.

OpenStudy (anonymous):

thank you so much @felis

OpenStudy (anonymous):

No problem!

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