fossilesque@mander.xyzM to Science Memes@mander.xyzEnglish · 1 年前stackedmander.xyzexternal-linkmessage-square71fedilinkarrow-up1911arrow-down112
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minus-squarefossilesque@mander.xyzOPMlinkfedilinkEnglisharrow-up8arrow-down1·edit-21 年前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.
minus-squareLifter@discuss.tchncs.delinkfedilinkEnglisharrow-up8·1 年前A pyramid is just a cone with a square base.
minus-squarexx3rawr@sh.itjust.workslinkfedilinkEnglisharrow-up7·1 年前A cone is just a pyramid whose base has infinite sides
minus-squareLifter@discuss.tchncs.delinkfedilinkEnglisharrow-up1·1 年前No, 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-up1·1 年前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.
minus-squareLifter@discuss.tchncs.delinkfedilinkEnglisharrow-up1·1 年前I 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.