Regular polygons and circles

  • A rational search
    problem

    A Rational Search

    Age
    16 to 18
    Challenge level
    3 out of 3

    Investigate constructible images which contain rational areas.

  • project

    Flip Your Mat!

    7 to 14
    1 out of 3

    What shape and size of drinks mat is best for flipping and catching?

  • Using GeoGebra
    article

    Using GeoGebra

    Never used GeoGebra before? This article for complete beginners will help you to get started with this free dynamic geometry software.