Maths Learning Support lecturer at Adelaide Uni (my views here). Grad Dip Ed & PhD Finite Geom. Love maths and helping people learn. he/him https://davidkbutler.xyz
David K Butler
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Sometimes a solution to a problem is so simple and at the same time so unexpected you just laugh out loud.
In the middle of the school oval is a circle of bright orange cones, like a fairy ring that came up overnight.
On the driveway in front of her family’s garage sale, a small girl holds a huge water pistol in both hands and wears an expression that says, “I dare you to try something.”
One of my favourite parts about this is that the constructions don’t have letters, but the *proofs* have letters because you have to reference very specific parts of the drawing.
