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> The question is, can you think of a single shape that looks like a triangle from one side, a circle from a second side and a square from the third side? He g
by masfuerte 2y ago
> The question is, can you think of a single shape that looks like a triangle from one side, a circle from a second side and a square from the third side?
He goes on to say that it resembles a household item. I can visualise the shape, but I can't think of anything that it looks like. Does anyone know what item it is?
There's a picture here:
https://math.stackexchange.com/questions/1947363/is-there-a-name-for-a-3d-shape-that-looks-like-a-circle-when-viewed-from-one-axi https://math.stackexchange.com/questions/1947363/is-there-a-...
- schoen 2y agoIt looks like lipstick to me. Or possibly the end of a screwdriver or chisel.
- parlortricks 2y agoLooks like an interchangable end to a cake frosting spatula.
- BriggyDwiggs42 2y agoWas thinking an axehead
- retzkek 2y agoToothpaste tube! https://upload.wikimedia.org/wikipedia/commons/thumb/c/c5/Elmex_tubes.JPG/450px-Elmex_tubes.JPG https://upload.wikimedia.org/wikipedia/commons/thumb/c/c5/El...
- herdyderdy 2y agoLooks like a duckbill valve. My wife’s breast pump uses them.
- thomaspark 2y agoHow bout the rubber tip of a mucilage glue bottle: https://deepfriedhoodsiecups.wordpress.com/2011/07/04/dfhc-742011/ https://deepfriedhoodsiecups.wordpress.com/2011/07/04/dfhc-7...
- zem 2y agoscrewdriver head. perelman's "mathematics can be fun" has that and another couple of fun examples https://archive.org/details/MathematicsCanBeFun-Eng-YakovPerelman/page/n133/mode/2up https://archive.org/details/MathematicsCanBeFun-Eng-YakovPer... i got a copy of that book and gardner's "mathematical magic show" when i was 12 or so, and they both continue to entertain and delight me.
- dredmorbius 2y agoTip of a chisel-headed felt pen.
- eternityforest 2y agoMarker or soldering iron tip?