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Jeff Barrett

  • proposition 7 proven, Euclid's Elements

    Activity

    Jeff Barrett

  • proving proposition 7 indirectly

    Activity

    Jeff Barrett

  • Proposition Two, The Elements, as a proof.

    Activity

    Jeff Barrett

  • Euclids Book 1 sketches for MAT 131

    Book

    Jeff Barrett

  • PROOF OF Proposition 17

    Activity

    Jeff Barrett

  • PROOF OF Proposition 17

    Activity

    Jeff Barrett

  • constructions in plane geometry

    Book

    Jeff Barrett

  • Proposition 13 proof

    Activity

    Jeff Barrett

  • Proposition 13 proof

    Activity

    Jeff Barrett

  • Measurement Concepts

    Book

    Jeff Barrett

  • sector area measuring

    Activity

    Jeff Barrett

  • Proof of Prop 5 (Feb. 6, 2020)

    Activity

    Jeff Barrett

  • Proposition 16 Proof, Euclid Book I of Elements

    Activity

    Jeff Barrett

  • area formula for trapezoid

    Activity

    Jeff Barrett

  • Ptolemy Theorem

    Activity

    Jeff Barrett

  • Proposition 12, Euclid, Book 1, Proof

    Activity

    Jeff Barrett

  • Proposition 11, Euclid Book 1

    Activity

    Jeff Barrett

  • Proposition 6 proof

    Activity

    Jeff Barrett

  • Proposition 7 proof, Euclid's Elements

    Activity

    Jeff Barrett

  • Proposition 5, Euclid's Elements, Book I

    Activity

    Jeff Barrett

  • basis for measurement: correspondence points to #

    Activity

    Jeff Barrett

  • Eratosthenes measure of the circumference of Earth

    Activity

    Jeff Barrett

  • Cyclist journey problem, up a hill and down, average speed?

    Activity

    Jeff Barrett

  • Overview Proposition 5 proof

    Activity

    Jeff Barrett