tall structures such qutub minar and eiffel tower are broader at the base. this is because
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Answer:
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Explanation:
When Gustave Eiffel was making the Eiffel Tower, he had to think about wind resistance. He put a curve on the outer edges so the tower wouldn’t fall. At the base of the Eiffel Tower, four curved pillars tilt inward at an angle of 54 degrees. As the pillars rise, and eventually join, the angle of each gradually decreases. At the top of the Tower, the merged pillars are almost vertical (zero degrees). French engineer Gustave Eiffel calculated that 54° angle as one that would minimize wind resistance.
Qutub Minar is a 73-metre (239.5 feet) tall tapering tower of five storeys , with a 14.3 metres (47 feet) base diameter, reducing to 2.7 metres (9 feet) at the top of the peak. It contains a spiral staircase of 379 steps.
Its design is thought to have been based on the Minaret of Jam , in Western Afganistan