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/sci/ - Science & Math

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5171825 No.5171825 [Reply] [Original]

Hey /b/, is there a name for the shape/geometrical figure?

It is basically like a pyramid, except the base is like a diamond from a deck of cards instead of a square


Like this:

>> No.5171831

bumperino

>> No.5171832

It's called a "Rambous"

>> No.5171834

parallelogram

>> No.5171839

It's a quadrilateral. What are you, five?

>> No.5171846

no guys, no.

It is a 3D shape.

Just like a classic pyramid with 5 sides and a square base. EXCEPT instead of a square base the base looks like this picture:
>>5171825

>> No.5171870

>>5171846
http://en.wikipedia.org/wiki/Pyramid_%28geometry%29

Read that. Pyramids don't have to have a square base.

>> No.5171872

believe it or not, rhombus pyramid.

>> No.5171877
File: 8 KB, 493x402, 198057.png [View same] [iqdb] [saucenao] [google]
5171877

>>5171872
Why do I laugh so hard at "believe it or not", my God.

>> No.5171891

>>5171872
my bad, should be rhombic pyramid

rhombic being an adjective that identifies what the polygonal base is.

also, if you want to be more specific it's a regular pyramid if the point on top (the apex) is above the center of the base. otherwise it's an oblique pyramid

>> No.5172103

It's called a "lozenge".

http://en.wikipedia.org/wiki/Lozenge