Chang's Math blog

Compilation of math questions by pupils

Thursday, June 26, 2025

Pentagon Pattern

Take a look! πŸ“Œ 
Found this on Pinterest
pin.it

Sent from my iPhone
Posted by ChangCL's Site at 8:52 AM
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      • Pentagon Pattern
      • Diagonals are expressed as surds!
      • Law of Sines
      • Graphical proof of trigo identity
      • Important to have enough sleep before an exam
      • Appreciating equations involving circles
      • Irrational numbers — pi, e, golden ratio
      • …Same as circumference of the Big circle!
      • What is the Math behind this beautiful animation?—...
      • Divisibility Tests of 1 to 10
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      • What fraction of the square is shaded?
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      • how Fischer measured the speed of light
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      • Square grid vs Isometric grid
      • A brilliant mobius wind kinetic structure
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      • how big (far) is a light-year?
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