Angles - points, lines and parallel lines

  • Maurits Cornelius Escher
    article

    Maurits Cornelius Escher

    Have you ever noticed how mathematical ideas are often used in patterns that we see all around us? This article describes the life of Escher who was a passionate believer that maths and art can be intertwined.

  • Coordinates and Descartes
    article

    Coordinates and Descartes

    Have you ever wondered how maps are made? Or perhaps who first thought of the idea of designing maps? We're here to answer these questions for you.

  • Pythagoras
    article

    Pythagoras

    Pythagoras of Samos was a Greek philosopher who lived from about 580 BC to about 500 BC. Find out about the important developments he made in mathematics, astronomy, and the theory of music.
  • Watch those Wheels
    page

    Watch those wheels

    Have you ever noticed the patterns in car wheel trims? These questions will make you look at car wheels in a different way!
  • Making Maths: Clinometer
    page

    Making maths: clinometer

    You can use a clinometer to measure the height of tall things that you can't possibly reach to the top of, Make a clinometer and use it to help you estimate the heights of tall objects.
  • 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.

  • Square World
    problem

    Square world

    Age
    16 to 18
    Challenge level
    filled star empty star empty star
    P is a point inside a square ABCD such that PA= 1, PB = 2 and PC = 3. How big is angle APB ?
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