Here is an explanation of why this method works.pic.twitter.com/iQ50dBeI3S
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Here is an explanation of why this method works.pic.twitter.com/iQ50dBeI3S
It was on numberphile a few days ago
what is the slop of the black line ?
I think it doesn't matter
“Back in my day we did multiplication the old fashioned way: memorization and brute force applied by Mrs. Granger at PS 172,” exclaimed noted math phobe Lucius (Nutsack) Sackler. He later gained fame in soufflé management.
Where is this quote taken from? =)
This technique is used in compass and straightedge constructive geometry. It's cool!
What is the angle between those two lines
It's independent of the angle, the resulting two triangles must similar.
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