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Below is a pattern which can be created using a pair of compasses and a ruler, and a photograph of an Islamic Star.
Have a good look at this shape below.
What shapes can you see?
Find shapes that are the same.
Can you name the different shapes you find?
Can you produce the following tessellations:
regular octagons with two different types of triangle?
irregular hexagons with triangles and squares?
Penta people, the Pentominoes, always build their houses from five square rooms. I wonder how many different Penta homes you can create?
Can you make these equilateral triangles fit together to cover the paper without any gaps between them? Can you tessellate isosceles triangles?