maxi tri tessWhat do you see in this diagram?

Look at the triangle with angles marked 1, 2 and 3.

Call this T.

Label angles equal to these angles. Why are they equal?

 

Look at the larger heavily outlined triangle.

How many copies of triangle T can you see in this triangle?

What else do you notice about this triangle?

Click here for a copy of the diagram,

and here for a TESSELLATING TRIANGLES worksheet.

Click here for the TESSELLATING TRIANGLES Guide for Parents

and here for Notes for Teachers.

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