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Q: Why are triangles and arches strong shapes for bridge building?

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Possibly triangles and rectangles.

The five-mile long bridge now fondly called "The big Mac", including the approach roads, were, at the time, the world's longest suspension bridge between cable anchorages. The bridge itself was designed by engineer Dr. David B. Steinman. Merritt-Chapman & Scott Corporation's $25,735,600 agreement to build all the foundations led to the mobilization of the largest bridge construction fleet ever assembled. The American Bridge Division of United States Steel Corporation, was awarded a $44,532,900 contract to build the superstructure. A.B.D. began its work of planning and assembly in 1953. In several U.S. and Canadian Steel mills the various shapes, plates, bars, wire and cables of steel necessary for the superstructure and for the caissons and cofferdams of the foundation, were prepared. The bridge was officially begun amid ceremonies on May 7 & 8, 1954, at both St. Ignace and Mackinaw City.

You have to import the graphics.h header file in the beginning to utilize functions which can help you draw shapes in C.

Where it has to do with symmetrical shapes and there equations.

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Related questions

Triangles, Arches

there are so much shapes but mostly you see triangles

Hyperbolic cosines, parabolas, semicircles, triangles are some shapes.

the geometric shapes used in building them. like the triangles

Because triangles are stable shapes.

The answer is five triangles ?

this question made me laugh so i shall answer it Well since triangles are the strongest shapes, many things are made of them. do you cross a bridge on the way to work? chances are its made of triangles.

No because isosceles triangles are 2 dimensional shapes.

Triangles

triangles

triangles

Triangles.

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