H_Guelbert

Arch Equation y=-.0064x^2+630

Eiffel Tower (986ft.) 986/630=1.565 S(x,y)->(1.565x,1.565y) y/1.565=-.0064x^2/1.565+630(1.565) y/1.565=-.0064x^2+985.95
 * y=-.0041x^2+985.95**

Golden Gate Bridge (746ft.) 746/630=1.184 S(x,y)->(1.184x,1.184y) y/1.184=-.0064x^2/1.184+630(1.184) y/1.184=-.0064x^2+745.92
 * y=-.0054x^2+745.92**

Torre Caja Madrid (820ft.) 820/630=1.032 S(x,y)->(1.302x,1.302y) y/1.302=-.0064x^2/1.302+630(1.302) y/1.302=-.0049x^2+820.26
 * y=-.0049x^2+820.26**