fossilesque@mander.xyzM to Science Memes@mander.xyzEnglish · 2 months agostackedmander.xyzexternal-linkmessage-square72fedilinkarrow-up1899arrow-down112
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minus-squarefossilesque@mander.xyzOPMlinkfedilinkEnglisharrow-up8arrow-down1·edit-22 months agoTake a handful of sand. Turn your first perpendicular to the ground and let it fall slowly. What shape does it form? It’s one of the most stable shapes you can make.
minus-squareLifterlinkfedilinkEnglisharrow-up8·2 months agoA pyramid is just a cone with a square base.
minus-squarexx3rawr@sh.itjust.workslinkfedilinkEnglisharrow-up7·2 months agoA cone is just a pyramid whose base has infinite sides
minus-squareLifterlinkfedilinkEnglisharrow-up1·2 months agoNo, a cone can have any flat shape as its base, wherefor a pyramid - which only has four sides - is also a cone.
minus-squarexx3rawr@sh.itjust.workslinkfedilinkEnglisharrow-up1·2 months agoBy definition, a pyramid can have any polygon as a base, not just a square. A cone can ONLY have a circle as a base.
minus-squareLifterlinkfedilinkEnglisharrow-up1·2 months agoI say Pyramids ⊂ Cones. You say Cones ⊂ Pyramids. Therefore Cones = Pyramids.
Take a handful of sand. Turn your first perpendicular to the ground and let it fall slowly. What shape does it form? It’s one of the most stable shapes you can make.
A cone?
A pyramid is just a cone with a square base.
A cone is just a pyramid whose base has infinite sides
No, a cone can have any flat shape as its base, wherefor a pyramid - which only has four sides - is also a cone.
By definition, a pyramid can have any polygon as a base, not just a square. A cone can ONLY have a circle as a base.
I say Pyramids ⊂ Cones. You say Cones ⊂ Pyramids. Therefore Cones = Pyramids.