Question

3. Investigate :
Use strips and fasteners to make a triangle and a quadrilateral.
Try to push inward at any one vertex of the triangle. Do the same to the
quadrilateral.
Why is it that structures like electric towers make use of triangular shapes and
not quadrilaterals?
Is the triangle distorted? Is the quadrilateral distorted? Is the triangle rigid?​

Answer 1

Answer:

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