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Davilez42

Calcular area de un circulo

Dec 7th, 2020 (edited)
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  1. ;;autor:jose david
  2. ;;fecha:7/12/20
  3. ;;contrato: radio,3.1416->numero
  4. ;;proposito: la funcion calcula el area de un circulo
  5. ;;ejemplos (radio 5)->78.54
  6. ;;definicion
  7.  
  8. (define (operacion r)
  9. (* pi (sqr r)))
  10.  
  11. (check-within(operacion 5)78.54 0.1)
  12.  
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