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jhooper3581

Mon Aug 31, 2009 2:17 am


Write the source code

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Write a C++ source code that will read an input of radius of a circle and outputs the area of the circle.


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jhooper3581

Mon Aug 31, 2009 2:28 am



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My solution.
[code]#include 
#include 
using namespace std;
int main()
{
  // Mathematically it's obvious that r >= 0, where r is the radius.
  double r;
  cout > r;
  const double PI(3.1416);
  double area(PI * pow(r, 2));
  cout