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Is a Square a Rectangle?

How many rectangles can you find in this shape? Which ones are differently sized and which are 'similar'?

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Part the Polygons

Draw three straight lines to separate these shapes into four groups - each group must contain one of each shape.

We're All Going on a Quadrilateral Hunt

Stage: 2 and 3 Short Challenge Level: Challenge Level:1
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regular hexagon divided into 6 equilateral triangles
The diagram shows a regular hexagon divided up into six equilateral triangles.

How many quadrilaterals are there in the diagram?


If you liked this problem, here is an NRICH task which challenges you to use similar mathematical ideas.  

This problem is taken from the UKMT Mathematical Challenges.