Can you draw a triangle with 3 right angles?

magicalmathsPosted on Posted in Funny, Lesson starters, Mathematics, Shape and Space — 2 Comments ↓
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?

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2 comments on “Can you draw a triangle with 3 right angles?”
  1. Gregory Miyata says:
    08/04/2016 at 19:43

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

    Reply
  2. sankar says:
    27/10/2016 at 07:02

    superb

    Reply

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