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    A three sided shape | 
  2008-02-09 | 
   
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  From Tim: Question from Tim:
  
  
  How would I calculate the area in square feet of a "triangle" with sides:
  
  
  Base is 36 feet;  height is 70 feet;  and the thirs side is an arch (curve) of 77 feet. Answered by Harley Weston. | 
   
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