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Moira Chas

  • Logarithmic Spiral Approximation

    Activity

    Moira Chas

  • Cube and Octahedron, duality

    Activity

    Moira Chas

  • Euclid Book IV Proposition 11-Construction of the Regular Pentagon

    Activity

    Moira Chas

  • Omar Khayyam - Solution of the cubic: A cube and sides are equal to a number.

    Activity

    Moira Chas

  • QUADRATURE - Dodecagon

    Activity

    Moira Chas

  • Euclid's proof of Pythagoras' Theorem

    Activity

    Moira Chas

  • Alicia Boole Stott on cube, tetrahedra and octahedra.

    Activity

    Moira Chas

  • Copy of Triangle Paradox (Missing square puzzle)

    Activity

    Moira Chas

  • Copy of Liu Hui's Method of Finding π

    Activity

    Moira Chas

  • Copy of Comparing Size by Cut and Paste

    Activity

    Moira Chas

  • π on a bike

    Activity

    Moira Chas

  • Exploring Gauss proof of the Fundamental Theorem of Algebra

    Activity

    Moira Chas

  • Cardan Gear Mechanism

    Activity

    Moira Chas

  • A Cubic Solution of Omar Khayyam

    Activity

    Moira Chas

  • Babylonian Approximation of Square Roots

    Activity

    Moira Chas

  • Archimedes - triangle & parabolic segment

    Activity

    Moira Chas

  • Pythagoras by dissection

    Activity

    Moira Chas

  • Copy of Chinese Discovery of the Pythagorean Relationship

    Activity

    Moira Chas

  • Parabola focus and directrix

    Activity

    Moira Chas

  • Sections of the tesseract

    Activity

    Moira Chas

  • Archimedes Angle Trisection Method

    Activity

    Moira Chas

  • Doubling the cube problem

    Activity

    Moira Chas

  • Copy of The Pythagorean theorem and the Euclidean plane

    Activity

    Moira Chas

  • Euclid's GCD Algorithm

    Activity

    Moira Chas