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
Is the triangle distorted? Is the quadrilateral distorted? Is the triangle rigid?
Why is it that structures like electric towers make use of triangular shapes and not
quadrilaterais​

Answer 1

Answer:

hope this answer help you

Answer 2

Answer:

very sorry I can't answer this question sorry