Make 6 paper sticks, all the same length, by tightly rolling a piece of paper around a piece of string and securing it with sticky tape. If you have not made paper sticks before see the video: https://youtu.be/iaJ6EitIGKU
The edges of the triangle are the same length. What about the angles?
Now tie the other 3 sticks to your triangle and make this shape. What do you notice about this shape?
Tie the end B to the point A.
What shape do you get now? Describe your new shape.
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