Square Angles

A Maths Starter Of The Day




Topics: Starter | Angles | Geometry | Number | Shape

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    Click the button below the question at the top of this page to see the answers.

    The angles in the trapezium are 36o, 36o, 144o and 144o which are all square numbers.

    The angles in the triangle are 16o, 64o and 100o which are all square numbers.

    The angles in the quadrilateral are 16o, 100o , 144o and 100o which are all square numbers.

    Extension Activity

    Can you draw one of the polygons above such that the perimeter, measured in cm, is a square number?

    Laptops In Lessons

    Teacher, do your students have access to computers?
    Do they have iPads or Laptops in Lessons?

    Whether your students each have a TabletPC, a Surface or a Mac, this activity lends itself to eLearning (Engaged Learning).

    Laptops In Lessons

    Here a concise URL for a version of this page without the comments.


    Here is the URL which will take them to a related activity.



    A spreadsheet may assist students investigating totals of square numbers.

    The free software GeoGebra may assist students drawing the shapes.


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