Question

what is the resulting solid if you have a rectangle with a base of 5cm and a height of 3cm? Would it always be a cylinder regardless of base and height values?

Answer 1

if it has a rectangular base with a height,
wouldn't that be a cuboid rather than a cylinder??

Answer 2

i think so if you rotate a rectangle around its axis you wil always get a culinder

Answer 3

*cylinder

Answer 4

@ganeshie8
do you mean all cuboids are cylinders??

Answer 5

thank you very much. It seemed like it would be a cyclinder regardless of which point you rotated it but the question on this packet seemed to easy.

Answer 6

np :)

@kausarsalley
A cylinder is a solid with two circular ends (see figure 1).[1] A cylinder can be formed by rotating a rectangle around one of its sides (see figure 2). Click on the points on the sliders in figure one and drag them to change the figure. Click on the blue point in figure 2 and drag it to see a cylinder form from a rectangle.

http://www.allmathwords.org/en/c/cylinder.html

Answer 7

in that geogebra applet you can play wid rotating the rectangle

Answer 8

Ok, how about this one. If you rotate an equilateral triangle about it's altitude (I assume this means height) do you get a cone?

Answer 9

yes we do get a cone

Answer 10

Yeah! You rock. Thanks so much.

Answer 11

you're welcome :)