Use strip and fast runner to make a triangle and quadrilateral try to push inward at any one vertex of the triangle do the same to the quadrilateral is the triangle distort is the quadrilateral distorted is the triangle rigid why is that structures like electric Tower make use of triangular shape and not quadrilaterals

Use strip and fast runner to make a triangle and quadrilateral try to

1.	Use strip and fast runner to make a triangle and quadrilateral try to push inward at any one vertex of the triangle do the same to the quadrilateral is the triangle distort is the quadrilateral distorted is the triangle rigid why is that structures like electric Tower make use of triangular shape and not quadrilaterals
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