Can you draw a triangle with 3 right angles?

Can you draw a triangle with 3 right angles?

This makes a great starter or challenge question to any Maths lesson. Is this possible? Why is it not possible?

but then…..

This solution works great on a balloon and easy to demonstrate in any  class.

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Can you draw a triangle with 3 right angles?


Categorised as: Funny | Lesson starters | Mathematics | Shape and Space


2 Comments

  1. Gregory Miyata says:

    Great idea…I will use this…Non-Euclidean Geometry….neat…thanks

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