Adapted from a puzzle by Twitter @Cshearer41 (Catriona Agg)
A semicircle and quarter circle inside a square. How long is the black tangent line? pic.twitter.com/VUk4jsexbI
— Catriona Agg (@Cshearer41) August 17, 2020
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My Books (worldwide links)
My Books (US links)
Mind Your Decisions: Five Book Compilation
https://amzn.to/2pbJ4wR
A collection of 5 books:
“The Joy of Game Theory” rated 4.2/5 stars on 189 reviews
http://amzn.to/1uQvA20
“The Irrationality Illusion: How To Make Smart Decisions And Overcome Bias” rated 3.9/5 stars on 16 reviews
http://amzn.to/1o3FaAg
“40 Paradoxes in Logic, Probability, and Game Theory” rated 4/5 stars on 28 reviews
http://amzn.to/1LOCI4U
“The Best Mental Math Tricks” rated 4.1/5 stars on 53 reviews
http://amzn.to/18maAdo
“Multiply Numbers By Drawing Lines” rated 4.1/5 stars on 22 reviews
http://amzn.to/XRm7M4
Mind Your Puzzles: Collection Of Volumes 1 To 3
https://amzn.to/2mMdrJr
A collection of 3 books:
“Math Puzzles Volume 1” rated 4.4/5 stars on 67 reviews
http://amzn.to/1GhUUSH
“Math Puzzles Volume 2” rated 4.2/5 stars on 19 reviews
http://amzn.to/1NKbyCs
“Math Puzzles Volume 3” rated 4.2/5 stars on 15 reviews
http://amzn.to/1NKbGlp
2017 Shorty Awards Nominee. Mind Your Decisions was nominated in the STEM category (Science, Technology, Engineering, and Math) along with eventual winner Bill Nye; finalists Adam Savage, Dr. Sandra Lee, Simone Giertz, Tim Peake, Unbox Therapy; and other nominees Elon Musk, Gizmoslip, Hope Jahren, Life Noggin, and Nerdwriter.
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https://mindyourdecisions.com/blog/
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