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  1. #include <iostream>
  2. using namespace std;
  3. int main(){
  4. 	float r =4.3;
  5. 	float area= 3.148*r*r;
  6. 	cout<<"area is:  "<<endl;
  7. 	cout<<area;
  8.  
  9. }
  10.  
  11.  
Success #stdin #stdout 0.01s 5280KB
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Standard input is empty
stdout
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area is:  
58.2065
https://ideone.com/vgFcX8
language:
C++ (gcc 8.3)
created:
2 days ago
visibility:
public

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